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Finding the Fourth Proportional to 88,571,885.70, 132,857,828.55 and 54,382,368.90

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Solution

The fourth proportional to 88,571,885.70, 132,857,828.55 and 54,382,368.90 is: 81,573,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,885.70 : 132,857,828.55 = 54,382,368.90 : x
  2. Step 2: Convert to fraction form
    88,571,885.70/132,857,828.55 = 54,382,368.90/x
  3. Step 3: Cross multiply
    88,571,885.70x = 132,857,828.55 × 54,382,368.90
  4. Step 4: Simplify right side
    88,571,885.70x = 7,225,123,443,459,052
  5. Step 5: Solve for x
    x = 7,225,123,443,459,052/88,571,885.70
  6. Step 6: Final answer
    x = 81,573,553.35

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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.