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Finding the Fourth Proportional to 359,166.20, 538,751.99 and 159,432.89

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Solution

The fourth proportional to 359,166.20, 538,751.99 and 159,432.89 is: 239,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,166.20 : 538,751.99 = 159,432.89 : x
  2. Step 2: Convert to fraction form
    359,166.20/538,751.99 = 159,432.89/x
  3. Step 3: Cross multiply
    359,166.20x = 538,751.99 × 159,432.89
  4. Step 4: Simplify right side
    359,166.20x = 85,894,783,268.03
  5. Step 5: Solve for x
    x = 85,894,783,268.03/359,166.20
  6. Step 6: Final answer
    x = 239,150.52

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1.5x scale

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.