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Finding the Fourth Proportional to 96,576.90, 144,865.35 and 49,337.70

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Solution

The fourth proportional to 96,576.90, 144,865.35 and 49,337.70 is: 74,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,576.90 : 144,865.35 = 49,337.70 : x
  2. Step 2: Convert to fraction form
    96,576.90/144,865.35 = 49,337.70/x
  3. Step 3: Cross multiply
    96,576.90x = 144,865.35 × 49,337.70
  4. Step 4: Simplify right side
    96,576.90x = 7,147,323,178.70
  5. Step 5: Solve for x
    x = 7,147,323,178.70/96,576.90
  6. Step 6: Final answer
    x = 74,006.55

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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.