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Finding the Fourth Proportional to 132,710.60, 198,579.90 and 97,718.60

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Solution

The fourth proportional to 132,710.60, 198,579.90 and 97,718.60 is: 146,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,710.60 : 198,579.90 = 97,718.60 : x
  2. Step 2: Convert to fraction form
    132,710.60/198,579.90 = 97,718.60/x
  3. Step 3: Cross multiply
    132,710.60x = 198,579.90 × 97,718.60
  4. Step 4: Simplify right side
    132,710.60x = 19,404,949,816.14
  5. Step 5: Solve for x
    x = 19,404,949,816.14/132,710.60
  6. Step 6: Final answer
    x = 146,220.04

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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.