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Finding the Fourth Proportional to 359,920.02, 539,908.74 and 123,264.75

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Solution

The fourth proportional to 359,920.02, 539,908.74 and 123,264.75 is: 184,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,920.02 : 539,908.74 = 123,264.75 : x
  2. Step 2: Convert to fraction form
    359,920.02/539,908.74 = 123,264.75/x
  3. Step 3: Cross multiply
    359,920.02x = 539,908.74 × 123,264.75
  4. Step 4: Simplify right side
    359,920.02x = 66,551,715,858.92
  5. Step 5: Solve for x
    x = 66,551,715,858.92/359,920.02
  6. Step 6: Final answer
    x = 184,906.96

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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.