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Finding the Fourth Proportional to 83,119.92, 124,679.61 and 23,955.90

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Solution

The fourth proportional to 83,119.92, 124,679.61 and 23,955.90 is: 35,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,119.92 : 124,679.61 = 23,955.90 : x
  2. Step 2: Convert to fraction form
    83,119.92/124,679.61 = 23,955.90/x
  3. Step 3: Cross multiply
    83,119.92x = 124,679.61 × 23,955.90
  4. Step 4: Simplify right side
    83,119.92x = 2,986,812,269.20
  5. Step 5: Solve for x
    x = 2,986,812,269.20/83,119.92
  6. Step 6: Final answer
    x = 35,933.77

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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.