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Finding the Fourth Proportional to 534,757.88, 802,129.20 and 129,953.06

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Solution

The fourth proportional to 534,757.88, 802,129.20 and 129,953.06 is: 194,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,757.88 : 802,129.20 = 129,953.06 : x
  2. Step 2: Convert to fraction form
    534,757.88/802,129.20 = 129,953.06/x
  3. Step 3: Cross multiply
    534,757.88x = 802,129.20 × 129,953.06
  4. Step 4: Simplify right side
    534,757.88x = 104,239,140,044.71
  5. Step 5: Solve for x
    x = 104,239,140,044.71/534,757.88
  6. Step 6: Final answer
    x = 194,927.73

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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.