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Finding the Fourth Proportional to 151,807.72, 227,711.10 and 40,999.72

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Solution

The fourth proportional to 151,807.72, 227,711.10 and 40,999.72 is: 61,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,807.72 : 227,711.10 = 40,999.72 : x
  2. Step 2: Convert to fraction form
    151,807.72/227,711.10 = 40,999.72/x
  3. Step 3: Cross multiply
    151,807.72x = 227,711.10 × 40,999.72
  4. Step 4: Simplify right side
    151,807.72x = 9,336,091,340.89
  5. Step 5: Solve for x
    x = 9,336,091,340.89/151,807.72
  6. Step 6: Final answer
    x = 61,499.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.