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Finding the Fourth Proportional to 117,877.12, 176,815.68 and 44,010.88

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Solution

The fourth proportional to 117,877.12, 176,815.68 and 44,010.88 is: 66,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877.12 : 176,815.68 = 44,010.88 : x
  2. Step 2: Convert to fraction form
    117,877.12/176,815.68 = 44,010.88/x
  3. Step 3: Cross multiply
    117,877.12x = 176,815.68 × 44,010.88
  4. Step 4: Simplify right side
    117,877.12x = 7,781,813,674.60
  5. Step 5: Solve for x
    x = 7,781,813,674.60/117,877.12
  6. Step 6: Final answer
    x = 66,016.32

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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.