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Finding the Fourth Proportional to 75,770.52, 104,608.12 and 67,363.76

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Solution

The fourth proportional to 75,770.52, 104,608.12 and 67,363.76 is: 93,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.52 : 104,608.12 = 67,363.76 : x
  2. Step 2: Convert to fraction form
    75,770.52/104,608.12 = 67,363.76/x
  3. Step 3: Cross multiply
    75,770.52x = 104,608.12 × 67,363.76
  4. Step 4: Simplify right side
    75,770.52x = 7,046,796,289.73
  5. Step 5: Solve for x
    x = 7,046,796,289.73/75,770.52
  6. Step 6: Final answer
    x = 93,001.82

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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.