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Finding the Fourth Proportional to 74,251.40, 111,377.10 and 26,866.40

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Solution

The fourth proportional to 74,251.40, 111,377.10 and 26,866.40 is: 40,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,251.40 : 111,377.10 = 26,866.40 : x
  2. Step 2: Convert to fraction form
    74,251.40/111,377.10 = 26,866.40/x
  3. Step 3: Cross multiply
    74,251.40x = 111,377.10 × 26,866.40
  4. Step 4: Simplify right side
    74,251.40x = 2,992,301,719.44
  5. Step 5: Solve for x
    x = 2,992,301,719.44/74,251.40
  6. Step 6: Final answer
    x = 40,299.60

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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.