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Finding the Fourth Proportional to 359,891.58, 539,953.97 and 107,174.17

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Solution

The fourth proportional to 359,891.58, 539,953.97 and 107,174.17 is: 160,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,891.58 : 539,953.97 = 107,174.17 : x
  2. Step 2: Convert to fraction form
    359,891.58/539,953.97 = 107,174.17/x
  3. Step 3: Cross multiply
    359,891.58x = 539,953.97 × 107,174.17
  4. Step 4: Simplify right side
    359,891.58x = 57,869,115,674.79
  5. Step 5: Solve for x
    x = 57,869,115,674.79/359,891.58
  6. Step 6: Final answer
    x = 160,795.97

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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.