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Finding the Fourth Proportional to 96,930, 133,765.56 and 59,225.04

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Solution

The fourth proportional to 96,930, 133,765.56 and 59,225.04 is: 81,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,930 : 133,765.56 = 59,225.04 : x
  2. Step 2: Convert to fraction form
    96,930/133,765.56 = 59,225.04/x
  3. Step 3: Cross multiply
    96,930x = 133,765.56 × 59,225.04
  4. Step 4: Simplify right side
    96,930x = 7,922,270,641.62
  5. Step 5: Solve for x
    x = 7,922,270,641.62/96,930
  6. Step 6: Final answer
    x = 81,731.87

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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.