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Finding the Fourth Proportional to 359,168.50, 538,755.45 and 159,435.19

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Solution

The fourth proportional to 359,168.50, 538,755.45 and 159,435.19 is: 239,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,168.50 : 538,755.45 = 159,435.19 : x
  2. Step 2: Convert to fraction form
    359,168.50/538,755.45 = 159,435.19/x
  3. Step 3: Cross multiply
    359,168.50x = 538,755.45 × 159,435.19
  4. Step 4: Simplify right side
    359,168.50x = 85,896,577,534.29
  5. Step 5: Solve for x
    x = 85,896,577,534.29/359,168.50
  6. Step 6: Final answer
    x = 239,153.98

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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.