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Finding the Fourth Proportional to 88,388.40, 132,258.60 and 65,060.40

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Solution

The fourth proportional to 88,388.40, 132,258.60 and 65,060.40 is: 97,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.40 : 132,258.60 = 65,060.40 : x
  2. Step 2: Convert to fraction form
    88,388.40/132,258.60 = 65,060.40/x
  3. Step 3: Cross multiply
    88,388.40x = 132,258.60 × 65,060.40
  4. Step 4: Simplify right side
    88,388.40x = 8,604,797,419.44
  5. Step 5: Solve for x
    x = 8,604,797,419.44/88,388.40
  6. Step 6: Final answer
    x = 97,352.11

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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.