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Finding the Fourth Proportional to 359,437.04, 539,157.72 and 159,710.48

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Solution

The fourth proportional to 359,437.04, 539,157.72 and 159,710.48 is: 239,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,437.04 : 539,157.72 = 159,710.48 : x
  2. Step 2: Convert to fraction form
    359,437.04/539,157.72 = 159,710.48/x
  3. Step 3: Cross multiply
    359,437.04x = 539,157.72 × 159,710.48
  4. Step 4: Simplify right side
    359,437.04x = 86,109,138,256.91
  5. Step 5: Solve for x
    x = 86,109,138,256.91/359,437.04
  6. Step 6: Final answer
    x = 239,566.68

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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.