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Finding the Fourth Proportional to 132,610.60, 198,429.90 and 97,618.60

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Solution

The fourth proportional to 132,610.60, 198,429.90 and 97,618.60 is: 146,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,610.60 : 198,429.90 = 97,618.60 : x
  2. Step 2: Convert to fraction form
    132,610.60/198,429.90 = 97,618.60/x
  3. Step 3: Cross multiply
    132,610.60x = 198,429.90 × 97,618.60
  4. Step 4: Simplify right side
    132,610.60x = 19,370,449,036.14
  5. Step 5: Solve for x
    x = 19,370,449,036.14/132,610.60
  6. Step 6: Final answer
    x = 146,070.14

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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.