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Finding the Fourth Proportional to 88,973.80, 133,456.80 and 25,792.54

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Solution

The fourth proportional to 88,973.80, 133,456.80 and 25,792.54 is: 38,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,973.80 : 133,456.80 = 25,792.54 : x
  2. Step 2: Convert to fraction form
    88,973.80/133,456.80 = 25,792.54/x
  3. Step 3: Cross multiply
    88,973.80x = 133,456.80 × 25,792.54
  4. Step 4: Simplify right side
    88,973.80x = 3,442,190,220.96
  5. Step 5: Solve for x
    x = 3,442,190,220.96/88,973.80
  6. Step 6: Final answer
    x = 38,687.68

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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.