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Finding the Fourth Proportional to 359,470.26, 539,219.16 and 93,223.80

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Solution

The fourth proportional to 359,470.26, 539,219.16 and 93,223.80 is: 139,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,470.26 : 539,219.16 = 93,223.80 : x
  2. Step 2: Convert to fraction form
    359,470.26/539,219.16 = 93,223.80/x
  3. Step 3: Cross multiply
    359,470.26x = 539,219.16 × 93,223.80
  4. Step 4: Simplify right side
    359,470.26x = 50,268,059,128.01
  5. Step 5: Solve for x
    x = 50,268,059,128.01/359,470.26
  6. Step 6: Final answer
    x = 139,839.27

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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.