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Finding the Fourth Proportional to 77,562.97, 116,344.46 and 22,158.97

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Solution

The fourth proportional to 77,562.97, 116,344.46 and 22,158.97 is: 33,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,562.97 : 116,344.46 = 22,158.97 : x
  2. Step 2: Convert to fraction form
    77,562.97/116,344.46 = 22,158.97/x
  3. Step 3: Cross multiply
    77,562.97x = 116,344.46 × 22,158.97
  4. Step 4: Simplify right side
    77,562.97x = 2,578,073,398.81
  5. Step 5: Solve for x
    x = 2,578,073,398.81/77,562.97
  6. Step 6: Final answer
    x = 33,238.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.