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Finding the Fourth Proportional to 83,243.68, 124,869.16 and 24,085.34

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Solution

The fourth proportional to 83,243.68, 124,869.16 and 24,085.34 is: 36,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,243.68 : 124,869.16 = 24,085.34 : x
  2. Step 2: Convert to fraction form
    83,243.68/124,869.16 = 24,085.34/x
  3. Step 3: Cross multiply
    83,243.68x = 124,869.16 × 24,085.34
  4. Step 4: Simplify right side
    83,243.68x = 3,007,516,174.11
  5. Step 5: Solve for x
    x = 3,007,516,174.11/83,243.68
  6. Step 6: Final answer
    x = 36,129.06

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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.