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Finding the Fourth Proportional to 359,653.34, 539,479.84 and 106,932.73

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Solution

The fourth proportional to 359,653.34, 539,479.84 and 106,932.73 is: 160,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,653.34 : 539,479.84 = 106,932.73 : x
  2. Step 2: Convert to fraction form
    359,653.34/539,479.84 = 106,932.73/x
  3. Step 3: Cross multiply
    359,653.34x = 539,479.84 × 106,932.73
  4. Step 4: Simplify right side
    359,653.34x = 57,688,052,071.16
  5. Step 5: Solve for x
    x = 57,688,052,071.16/359,653.34
  6. Step 6: Final answer
    x = 160,399.04

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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.