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Finding the Fourth Proportional to 359,755.97, 539,539.95 and 106,968.39

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Solution

The fourth proportional to 359,755.97, 539,539.95 and 106,968.39 is: 160,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,755.97 : 539,539.95 = 106,968.39 : x
  2. Step 2: Convert to fraction form
    359,755.97/539,539.95 = 106,968.39/x
  3. Step 3: Cross multiply
    359,755.97x = 539,539.95 × 106,968.39
  4. Step 4: Simplify right side
    359,755.97x = 57,713,719,792.18
  5. Step 5: Solve for x
    x = 57,713,719,792.18/359,755.97
  6. Step 6: Final answer
    x = 160,424.63

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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.