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Finding the Fourth Proportional to 359,436.04, 539,156.22 and 159,709.48

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Solution

The fourth proportional to 359,436.04, 539,156.22 and 159,709.48 is: 239,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,436.04 : 539,156.22 = 159,709.48 : x
  2. Step 2: Convert to fraction form
    359,436.04/539,156.22 = 159,709.48/x
  3. Step 3: Cross multiply
    359,436.04x = 539,156.22 × 159,709.48
  4. Step 4: Simplify right side
    359,436.04x = 86,108,359,534.97
  5. Step 5: Solve for x
    x = 86,108,359,534.97/359,436.04
  6. Step 6: Final answer
    x = 239,565.18

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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.