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Finding the Fourth Proportional to 132,199.92, 198,245.48 and 65,615.60

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Solution

The fourth proportional to 132,199.92, 198,245.48 and 65,615.60 is: 98,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,199.92 : 198,245.48 = 65,615.60 : x
  2. Step 2: Convert to fraction form
    132,199.92/198,245.48 = 65,615.60/x
  3. Step 3: Cross multiply
    132,199.92x = 198,245.48 × 65,615.60
  4. Step 4: Simplify right side
    132,199.92x = 13,007,996,117.49
  5. Step 5: Solve for x
    x = 13,007,996,117.49/132,199.92
  6. Step 6: Final answer
    x = 98,396.40

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1.5x scale

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.