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Finding the Fourth Proportional to 359,808.32, 539,618.24 and 107,020.82

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Solution

The fourth proportional to 359,808.32, 539,618.24 and 107,020.82 is: 160,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,808.32 : 539,618.24 = 107,020.82 : x
  2. Step 2: Convert to fraction form
    359,808.32/539,618.24 = 107,020.82/x
  3. Step 3: Cross multiply
    359,808.32x = 539,618.24 × 107,020.82
  4. Step 4: Simplify right side
    359,808.32x = 57,750,386,531.76
  5. Step 5: Solve for x
    x = 57,750,386,531.76/359,808.32
  6. Step 6: Final answer
    x = 160,503.20

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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.