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Finding the Fourth Proportional to 88,829.60, 133,201.20 and 49,344.80

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Solution

The fourth proportional to 88,829.60, 133,201.20 and 49,344.80 is: 73,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,829.60 : 133,201.20 = 49,344.80 : x
  2. Step 2: Convert to fraction form
    88,829.60/133,201.20 = 49,344.80/x
  3. Step 3: Cross multiply
    88,829.60x = 133,201.20 × 49,344.80
  4. Step 4: Simplify right side
    88,829.60x = 6,572,786,573.76
  5. Step 5: Solve for x
    x = 6,572,786,573.76/88,829.60
  6. Step 6: Final answer
    x = 73,993.20

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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.