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Finding the Fourth Proportional to 359,700.64, 539,550.60 and 106,980.10

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Solution

The fourth proportional to 359,700.64, 539,550.60 and 106,980.10 is: 160,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,700.64 : 539,550.60 = 106,980.10 : x
  2. Step 2: Convert to fraction form
    359,700.64/539,550.60 = 106,980.10/x
  3. Step 3: Cross multiply
    359,700.64x = 539,550.60 × 106,980.10
  4. Step 4: Simplify right side
    359,700.64x = 57,721,177,143.06
  5. Step 5: Solve for x
    x = 57,721,177,143.06/359,700.64
  6. Step 6: Final answer
    x = 160,470.04

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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.