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Finding the Fourth Proportional to 88,787.70, 133,068.15 and 36,137.70

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Solution

The fourth proportional to 88,787.70, 133,068.15 and 36,137.70 is: 54,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,787.70 : 133,068.15 = 36,137.70 : x
  2. Step 2: Convert to fraction form
    88,787.70/133,068.15 = 36,137.70/x
  3. Step 3: Cross multiply
    88,787.70x = 133,068.15 × 36,137.70
  4. Step 4: Simplify right side
    88,787.70x = 4,808,776,884.26
  5. Step 5: Solve for x
    x = 4,808,776,884.26/88,787.70
  6. Step 6: Final answer
    x = 54,160.39

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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.