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Finding the Fourth Proportional to 359,448.83, 539,249.79 and 106,730.04

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Solution

The fourth proportional to 359,448.83, 539,249.79 and 106,730.04 is: 160,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,448.83 : 539,249.79 = 106,730.04 : x
  2. Step 2: Convert to fraction form
    359,448.83/539,249.79 = 106,730.04/x
  3. Step 3: Cross multiply
    359,448.83x = 539,249.79 × 106,730.04
  4. Step 4: Simplify right side
    359,448.83x = 57,554,151,656.69
  5. Step 5: Solve for x
    x = 57,554,151,656.69/359,448.83
  6. Step 6: Final answer
    x = 160,117.79

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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.