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Finding the Fourth Proportional to 96,750.40, 133,543.38 and 58,510

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Solution

The fourth proportional to 96,750.40, 133,543.38 and 58,510 is: 80,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,750.40 : 133,543.38 = 58,510 : x
  2. Step 2: Convert to fraction form
    96,750.40/133,543.38 = 58,510/x
  3. Step 3: Cross multiply
    96,750.40x = 133,543.38 × 58,510
  4. Step 4: Simplify right side
    96,750.40x = 7,813,623,163.80
  5. Step 5: Solve for x
    x = 7,813,623,163.80/96,750.40
  6. Step 6: Final answer
    x = 80,760.63

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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.