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Finding the Fourth Proportional to 75,162.34, 112,745.40 and 25,244.20

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Solution

The fourth proportional to 75,162.34, 112,745.40 and 25,244.20 is: 37,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.34 : 112,745.40 = 25,244.20 : x
  2. Step 2: Convert to fraction form
    75,162.34/112,745.40 = 25,244.20/x
  3. Step 3: Cross multiply
    75,162.34x = 112,745.40 × 25,244.20
  4. Step 4: Simplify right side
    75,162.34x = 2,846,167,426.68
  5. Step 5: Solve for x
    x = 2,846,167,426.68/75,162.34
  6. Step 6: Final answer
    x = 37,866.93

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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.