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Finding the Fourth Proportional to 359,892.09, 539,954.72 and 107,174.67

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Solution

The fourth proportional to 359,892.09, 539,954.72 and 107,174.67 is: 160,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,892.09 : 539,954.72 = 107,174.67 : x
  2. Step 2: Convert to fraction form
    359,892.09/539,954.72 = 107,174.67/x
  3. Step 3: Cross multiply
    359,892.09x = 539,954.72 × 107,174.67
  4. Step 4: Simplify right side
    359,892.09x = 57,869,465,695.30
  5. Step 5: Solve for x
    x = 57,869,465,695.30/359,892.09
  6. Step 6: Final answer
    x = 160,796.72

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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.