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Finding the Fourth Proportional to 207,050.70, 310,904.10 and 151,282.20

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Solution

The fourth proportional to 207,050.70, 310,904.10 and 151,282.20 is: 227,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,050.70 : 310,904.10 = 151,282.20 : x
  2. Step 2: Convert to fraction form
    207,050.70/310,904.10 = 151,282.20/x
  3. Step 3: Cross multiply
    207,050.70x = 310,904.10 × 151,282.20
  4. Step 4: Simplify right side
    207,050.70x = 47,034,256,237.02
  5. Step 5: Solve for x
    x = 47,034,256,237.02/207,050.70
  6. Step 6: Final answer
    x = 227,162.99

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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.