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Finding the Fourth Proportional to 74,203.70, 111,315.92 and 24,287.72

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Solution

The fourth proportional to 74,203.70, 111,315.92 and 24,287.72 is: 36,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.70 : 111,315.92 = 24,287.72 : x
  2. Step 2: Convert to fraction form
    74,203.70/111,315.92 = 24,287.72/x
  3. Step 3: Cross multiply
    74,203.70x = 111,315.92 × 24,287.72
  4. Step 4: Simplify right side
    74,203.70x = 2,703,609,218.48
  5. Step 5: Solve for x
    x = 2,703,609,218.48/74,203.70
  6. Step 6: Final answer
    x = 36,434.97

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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.