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Finding the Fourth Proportional to 144,068.62, 198,576.74 and 96,304.54

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Solution

The fourth proportional to 144,068.62, 198,576.74 and 96,304.54 is: 132,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,068.62 : 198,576.74 = 96,304.54 : x
  2. Step 2: Convert to fraction form
    144,068.62/198,576.74 = 96,304.54/x
  3. Step 3: Cross multiply
    144,068.62x = 198,576.74 × 96,304.54
  4. Step 4: Simplify right side
    144,068.62x = 19,123,841,600.40
  5. Step 5: Solve for x
    x = 19,123,841,600.40/144,068.62
  6. Step 6: Final answer
    x = 132,741.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.