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Finding the Fourth Proportional to 88,564.80, 132,924.96 and 49,166.40

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Solution

The fourth proportional to 88,564.80, 132,924.96 and 49,166.40 is: 73,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564.80 : 132,924.96 = 49,166.40 : x
  2. Step 2: Convert to fraction form
    88,564.80/132,924.96 = 49,166.40/x
  3. Step 3: Cross multiply
    88,564.80x = 132,924.96 × 49,166.40
  4. Step 4: Simplify right side
    88,564.80x = 6,535,441,753.34
  5. Step 5: Solve for x
    x = 6,535,441,753.34/88,564.80
  6. Step 6: Final answer
    x = 73,792.77

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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.