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Finding the Fourth Proportional to 132,526.79, 198,645.60 and 65,105.22

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Solution

The fourth proportional to 132,526.79, 198,645.60 and 65,105.22 is: 97,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,526.79 : 198,645.60 = 65,105.22 : x
  2. Step 2: Convert to fraction form
    132,526.79/198,645.60 = 65,105.22/x
  3. Step 3: Cross multiply
    132,526.79x = 198,645.60 × 65,105.22
  4. Step 4: Simplify right side
    132,526.79x = 12,932,865,490.03
  5. Step 5: Solve for x
    x = 12,932,865,490.03/132,526.79
  6. Step 6: Final answer
    x = 97,586.80

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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.