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Finding the Fourth Proportional to 539,127.86, 808,553.39 and 159,958.89

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Solution

The fourth proportional to 539,127.86, 808,553.39 and 159,958.89 is: 239,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,127.86 : 808,553.39 = 159,958.89 : x
  2. Step 2: Convert to fraction form
    539,127.86/808,553.39 = 159,958.89/x
  3. Step 3: Cross multiply
    539,127.86x = 808,553.39 × 159,958.89
  4. Step 4: Simplify right side
    539,127.86x = 129,335,301,970.34
  5. Step 5: Solve for x
    x = 129,335,301,970.34/539,127.86
  6. Step 6: Final answer
    x = 239,897.27

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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.