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Finding the Fourth Proportional to 96,689.73, 133,448.88 and 60,890.97

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Solution

The fourth proportional to 96,689.73, 133,448.88 and 60,890.97 is: 84,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.73 : 133,448.88 = 60,890.97 : x
  2. Step 2: Convert to fraction form
    96,689.73/133,448.88 = 60,890.97/x
  3. Step 3: Cross multiply
    96,689.73x = 133,448.88 × 60,890.97
  4. Step 4: Simplify right side
    96,689.73x = 8,125,832,477.39
  5. Step 5: Solve for x
    x = 8,125,832,477.39/96,689.73
  6. Step 6: Final answer
    x = 84,040.28

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1.5x scale

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.