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Finding the Fourth Proportional to 359,869.72, 539,443.32 and 123,050.44

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Solution

The fourth proportional to 359,869.72, 539,443.32 and 123,050.44 is: 184,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,869.72 : 539,443.32 = 123,050.44 : x
  2. Step 2: Convert to fraction form
    359,869.72/539,443.32 = 123,050.44/x
  3. Step 3: Cross multiply
    359,869.72x = 539,443.32 × 123,050.44
  4. Step 4: Simplify right side
    359,869.72x = 66,378,737,881.06
  5. Step 5: Solve for x
    x = 66,378,737,881.06/359,869.72
  6. Step 6: Final answer
    x = 184,452.13

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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.