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Finding the Fourth Proportional to 81,177.60, 112,024.22 and 44,878.89

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Solution

The fourth proportional to 81,177.60, 112,024.22 and 44,878.89 is: 61,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.60 : 112,024.22 = 44,878.89 : x
  2. Step 2: Convert to fraction form
    81,177.60/112,024.22 = 44,878.89/x
  3. Step 3: Cross multiply
    81,177.60x = 112,024.22 × 44,878.89
  4. Step 4: Simplify right side
    81,177.60x = 5,027,522,422.32
  5. Step 5: Solve for x
    x = 5,027,522,422.32/81,177.60
  6. Step 6: Final answer
    x = 61,932.39

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1.5x scale

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.