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Finding the Fourth Proportional to 88,662.60, 133,037.10 and 67,595.40

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Solution

The fourth proportional to 88,662.60, 133,037.10 and 67,595.40 is: 101,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.60 : 133,037.10 = 67,595.40 : x
  2. Step 2: Convert to fraction form
    88,662.60/133,037.10 = 67,595.40/x
  3. Step 3: Cross multiply
    88,662.60x = 133,037.10 × 67,595.40
  4. Step 4: Simplify right side
    88,662.60x = 8,992,695,989.34
  5. Step 5: Solve for x
    x = 8,992,695,989.34/88,662.60
  6. Step 6: Final answer
    x = 101,426.04

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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.