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Finding the Fourth Proportional to 181,729.76, 271,233.76 and 169,772.32

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Solution

The fourth proportional to 181,729.76, 271,233.76 and 169,772.32 is: 253,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,729.76 : 271,233.76 = 169,772.32 : x
  2. Step 2: Convert to fraction form
    181,729.76/271,233.76 = 169,772.32/x
  3. Step 3: Cross multiply
    181,729.76x = 271,233.76 × 169,772.32
  4. Step 4: Simplify right side
    181,729.76x = 46,047,984,697.52
  5. Step 5: Solve for x
    x = 46,047,984,697.52/181,729.76
  6. Step 6: Final answer
    x = 253,387.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.