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Finding the Fourth Proportional to 529,157.28, 793,724.43 and 129,800.01

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Solution

The fourth proportional to 529,157.28, 793,724.43 and 129,800.01 is: 194,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,157.28 : 793,724.43 = 129,800.01 : x
  2. Step 2: Convert to fraction form
    529,157.28/793,724.43 = 129,800.01/x
  3. Step 3: Cross multiply
    529,157.28x = 793,724.43 × 129,800.01
  4. Step 4: Simplify right side
    529,157.28x = 103,025,438,951.24
  5. Step 5: Solve for x
    x = 103,025,438,951.24/529,157.28
  6. Step 6: Final answer
    x = 194,697.20

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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.