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Finding the Fourth Proportional to 88,258.92, 132,374.45 and 73,361.80

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Solution

The fourth proportional to 88,258.92, 132,374.45 and 73,361.80 is: 110,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.92 : 132,374.45 = 73,361.80 : x
  2. Step 2: Convert to fraction form
    88,258.92/132,374.45 = 73,361.80/x
  3. Step 3: Cross multiply
    88,258.92x = 132,374.45 × 73,361.80
  4. Step 4: Simplify right side
    88,258.92x = 9,711,228,274.88
  5. Step 5: Solve for x
    x = 9,711,228,274.88/88,258.92
  6. Step 6: Final answer
    x = 110,031.13

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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.