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Finding the Fourth Proportional to 61,777.59, 85,252.15 and 34,919.15

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Solution

The fourth proportional to 61,777.59, 85,252.15 and 34,919.15 is: 48,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.59 : 85,252.15 = 34,919.15 : x
  2. Step 2: Convert to fraction form
    61,777.59/85,252.15 = 34,919.15/x
  3. Step 3: Cross multiply
    61,777.59x = 85,252.15 × 34,919.15
  4. Step 4: Simplify right side
    61,777.59x = 2,976,932,514.18
  5. Step 5: Solve for x
    x = 2,976,932,514.18/61,777.59
  6. Step 6: Final answer
    x = 48,187.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.