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Finding the Fourth Proportional to 141,691.95, 212,587.11 and 62,861.52

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Solution

The fourth proportional to 141,691.95, 212,587.11 and 62,861.52 is: 94,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691.95 : 212,587.11 = 62,861.52 : x
  2. Step 2: Convert to fraction form
    141,691.95/212,587.11 = 62,861.52/x
  3. Step 3: Cross multiply
    141,691.95x = 212,587.11 × 62,861.52
  4. Step 4: Simplify right side
    141,691.95x = 13,363,548,867.01
  5. Step 5: Solve for x
    x = 13,363,548,867.01/141,691.95
  6. Step 6: Final answer
    x = 94,314.10

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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.