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Finding the Fourth Proportional to 83,037.65, 124,574.70 and 26,868.20

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Solution

The fourth proportional to 83,037.65, 124,574.70 and 26,868.20 is: 40,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037.65 : 124,574.70 = 26,868.20 : x
  2. Step 2: Convert to fraction form
    83,037.65/124,574.70 = 26,868.20/x
  3. Step 3: Cross multiply
    83,037.65x = 124,574.70 × 26,868.20
  4. Step 4: Simplify right side
    83,037.65x = 3,347,097,954.54
  5. Step 5: Solve for x
    x = 3,347,097,954.54/83,037.65
  6. Step 6: Final answer
    x = 40,308.20

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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.