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Finding the Fourth Proportional to 132,626.48, 198,762.26 and 65,055.20

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Solution

The fourth proportional to 132,626.48, 198,762.26 and 65,055.20 is: 97,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.48 : 198,762.26 = 65,055.20 : x
  2. Step 2: Convert to fraction form
    132,626.48/198,762.26 = 65,055.20/x
  3. Step 3: Cross multiply
    132,626.48x = 198,762.26 × 65,055.20
  4. Step 4: Simplify right side
    132,626.48x = 12,930,517,257.66
  5. Step 5: Solve for x
    x = 12,930,517,257.66/132,626.48
  6. Step 6: Final answer
    x = 97,495.75

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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.