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Finding the Fourth Proportional to 83,293.70, 124,940.45 and 27,133.72

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Solution

The fourth proportional to 83,293.70, 124,940.45 and 27,133.72 is: 40,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,293.70 : 124,940.45 = 27,133.72 : x
  2. Step 2: Convert to fraction form
    83,293.70/124,940.45 = 27,133.72/x
  3. Step 3: Cross multiply
    83,293.70x = 124,940.45 × 27,133.72
  4. Step 4: Simplify right side
    83,293.70x = 3,390,098,942.46
  5. Step 5: Solve for x
    x = 3,390,098,942.46/83,293.70
  6. Step 6: Final answer
    x = 40,700.54

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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.