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Finding the Fourth Proportional to 132,543.60, 198,815.40 and 97,551.60

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Solution

The fourth proportional to 132,543.60, 198,815.40 and 97,551.60 is: 146,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543.60 : 198,815.40 = 97,551.60 : x
  2. Step 2: Convert to fraction form
    132,543.60/198,815.40 = 97,551.60/x
  3. Step 3: Cross multiply
    132,543.60x = 198,815.40 × 97,551.60
  4. Step 4: Simplify right side
    132,543.60x = 19,394,760,374.64
  5. Step 5: Solve for x
    x = 19,394,760,374.64/132,543.60
  6. Step 6: Final answer
    x = 146,327.40

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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.