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Finding the Fourth Proportional to 88,834.40, 133,032.90 and 59,091.20

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Solution

The fourth proportional to 88,834.40, 133,032.90 and 59,091.20 is: 88,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,834.40 : 133,032.90 = 59,091.20 : x
  2. Step 2: Convert to fraction form
    88,834.40/133,032.90 = 59,091.20/x
  3. Step 3: Cross multiply
    88,834.40x = 133,032.90 × 59,091.20
  4. Step 4: Simplify right side
    88,834.40x = 7,861,073,700.48
  5. Step 5: Solve for x
    x = 7,861,073,700.48/88,834.40
  6. Step 6: Final answer
    x = 88,491.32

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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.