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Finding the Fourth Proportional to 132,510.60, 198,279.90 and 97,518.60

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Solution

The fourth proportional to 132,510.60, 198,279.90 and 97,518.60 is: 145,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,510.60 : 198,279.90 = 97,518.60 : x
  2. Step 2: Convert to fraction form
    132,510.60/198,279.90 = 97,518.60/x
  3. Step 3: Cross multiply
    132,510.60x = 198,279.90 × 97,518.60
  4. Step 4: Simplify right side
    132,510.60x = 19,335,978,256.14
  5. Step 5: Solve for x
    x = 19,335,978,256.14/132,510.60
  6. Step 6: Final answer
    x = 145,920.24

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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.