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Finding the Fourth Proportional to 88,401.60, 132,645.60 and 41,646.40

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Solution

The fourth proportional to 88,401.60, 132,645.60 and 41,646.40 is: 62,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,401.60 : 132,645.60 = 41,646.40 : x
  2. Step 2: Convert to fraction form
    88,401.60/132,645.60 = 41,646.40/x
  3. Step 3: Cross multiply
    88,401.60x = 132,645.60 × 41,646.40
  4. Step 4: Simplify right side
    88,401.60x = 5,524,211,715.84
  5. Step 5: Solve for x
    x = 5,524,211,715.84/88,401.60
  6. Step 6: Final answer
    x = 62,489.95

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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.