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Finding the Fourth Proportional to 359,781.07, 539,577.51 and 106,993.44

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Solution

The fourth proportional to 359,781.07, 539,577.51 and 106,993.44 is: 160,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,781.07 : 539,577.51 = 106,993.44 : x
  2. Step 2: Convert to fraction form
    359,781.07/539,577.51 = 106,993.44/x
  3. Step 3: Cross multiply
    359,781.07x = 539,577.51 × 106,993.44
  4. Step 4: Simplify right side
    359,781.07x = 57,731,253,941.53
  5. Step 5: Solve for x
    x = 57,731,253,941.53/359,781.07
  6. Step 6: Final answer
    x = 160,462.18

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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.