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Finding the Fourth Proportional to 75,359.82, 104,010.90 and 49,866.69

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Solution

The fourth proportional to 75,359.82, 104,010.90 and 49,866.69 is: 68,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.82 : 104,010.90 = 49,866.69 : x
  2. Step 2: Convert to fraction form
    75,359.82/104,010.90 = 49,866.69/x
  3. Step 3: Cross multiply
    75,359.82x = 104,010.90 × 49,866.69
  4. Step 4: Simplify right side
    75,359.82x = 5,186,679,306.92
  5. Step 5: Solve for x
    x = 5,186,679,306.92/75,359.82
  6. Step 6: Final answer
    x = 68,825.53

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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.