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Finding the Fourth Proportional to 110,009.65, 151,800.72 and 61,604.83

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Solution

The fourth proportional to 110,009.65, 151,800.72 and 61,604.83 is: 85,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,009.65 : 151,800.72 = 61,604.83 : x
  2. Step 2: Convert to fraction form
    110,009.65/151,800.72 = 61,604.83/x
  3. Step 3: Cross multiply
    110,009.65x = 151,800.72 × 61,604.83
  4. Step 4: Simplify right side
    110,009.65x = 9,351,657,549.48
  5. Step 5: Solve for x
    x = 9,351,657,549.48/110,009.65
  6. Step 6: Final answer
    x = 85,007.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.