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Finding the Fourth Proportional to 359,967.28, 539,541.24 and 159,987.28

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Solution

The fourth proportional to 359,967.28, 539,541.24 and 159,987.28 is: 239,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,967.28 : 539,541.24 = 159,987.28 : x
  2. Step 2: Convert to fraction form
    359,967.28/539,541.24 = 159,987.28/x
  3. Step 3: Cross multiply
    359,967.28x = 539,541.24 × 159,987.28
  4. Step 4: Simplify right side
    359,967.28x = 86,319,735,435.43
  5. Step 5: Solve for x
    x = 86,319,735,435.43/359,967.28
  6. Step 6: Final answer
    x = 239,798.84

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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.