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Finding the Fourth Proportional to 359,616.98, 539,425.74 and 122,961.44

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Solution

The fourth proportional to 359,616.98, 539,425.74 and 122,961.44 is: 184,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,616.98 : 539,425.74 = 122,961.44 : x
  2. Step 2: Convert to fraction form
    359,616.98/539,425.74 = 122,961.44/x
  3. Step 3: Cross multiply
    359,616.98x = 539,425.74 × 122,961.44
  4. Step 4: Simplify right side
    359,616.98x = 66,328,565,763.47
  5. Step 5: Solve for x
    x = 66,328,565,763.47/359,616.98
  6. Step 6: Final answer
    x = 184,442.25

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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.