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Finding the Fourth Proportional to 75,108.70, 112,677.63 and 22,513.78

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Solution

The fourth proportional to 75,108.70, 112,677.63 and 22,513.78 is: 33,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.70 : 112,677.63 = 22,513.78 : x
  2. Step 2: Convert to fraction form
    75,108.70/112,677.63 = 22,513.78/x
  3. Step 3: Cross multiply
    75,108.70x = 112,677.63 × 22,513.78
  4. Step 4: Simplify right side
    75,108.70x = 2,536,799,372.74
  5. Step 5: Solve for x
    x = 2,536,799,372.74/75,108.70
  6. Step 6: Final answer
    x = 33,775.04

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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.