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Finding the Fourth Proportional to 96,532.74, 144,827.73 and 68,506.74

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Solution

The fourth proportional to 96,532.74, 144,827.73 and 68,506.74 is: 102,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,532.74 : 144,827.73 = 68,506.74 : x
  2. Step 2: Convert to fraction form
    96,532.74/144,827.73 = 68,506.74/x
  3. Step 3: Cross multiply
    96,532.74x = 144,827.73 × 68,506.74
  4. Step 4: Simplify right side
    96,532.74x = 9,921,675,643.90
  5. Step 5: Solve for x
    x = 9,921,675,643.90/96,532.74
  6. Step 6: Final answer
    x = 102,780.42

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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.