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Finding the Fourth Proportional to 359,712.64, 539,568.60 and 106,992.08

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Solution

The fourth proportional to 359,712.64, 539,568.60 and 106,992.08 is: 160,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,712.64 : 539,568.60 = 106,992.08 : x
  2. Step 2: Convert to fraction form
    359,712.64/539,568.60 = 106,992.08/x
  3. Step 3: Cross multiply
    359,712.64x = 539,568.60 × 106,992.08
  4. Step 4: Simplify right side
    359,712.64x = 57,729,566,816.69
  5. Step 5: Solve for x
    x = 57,729,566,816.69/359,712.64
  6. Step 6: Final answer
    x = 160,488.01

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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.