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Finding the Fourth Proportional to 359,902.55, 539,970.44 and 107,185.14

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Solution

The fourth proportional to 359,902.55, 539,970.44 and 107,185.14 is: 160,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,902.55 : 539,970.44 = 107,185.14 : x
  2. Step 2: Convert to fraction form
    359,902.55/539,970.44 = 107,185.14/x
  3. Step 3: Cross multiply
    359,902.55x = 539,970.44 × 107,185.14
  4. Step 4: Simplify right side
    359,902.55x = 57,876,806,671.34
  5. Step 5: Solve for x
    x = 57,876,806,671.34/359,902.55
  6. Step 6: Final answer
    x = 160,812.44

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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.