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Finding the Fourth Proportional to 88,571,722.60, 132,857,583.90 and 54,382,205.80

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Solution

The fourth proportional to 88,571,722.60, 132,857,583.90 and 54,382,205.80 is: 81,573,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,722.60 : 132,857,583.90 = 54,382,205.80 : x
  2. Step 2: Convert to fraction form
    88,571,722.60/132,857,583.90 = 54,382,205.80/x
  3. Step 3: Cross multiply
    88,571,722.60x = 132,857,583.90 × 54,382,205.80
  4. Step 4: Simplify right side
    88,571,722.60x = 7,225,088,469,740,567
  5. Step 5: Solve for x
    x = 7,225,088,469,740,567/88,571,722.60
  6. Step 6: Final answer
    x = 81,573,308.70

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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.