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Finding the Fourth Proportional to 92,167.76, 138,212.51 and 38,883.63

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Solution

The fourth proportional to 92,167.76, 138,212.51 and 38,883.63 is: 58,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.76 : 138,212.51 = 38,883.63 : x
  2. Step 2: Convert to fraction form
    92,167.76/138,212.51 = 38,883.63/x
  3. Step 3: Cross multiply
    92,167.76x = 138,212.51 × 38,883.63
  4. Step 4: Simplify right side
    92,167.76x = 5,374,204,100.21
  5. Step 5: Solve for x
    x = 5,374,204,100.21/92,167.76
  6. Step 6: Final answer
    x = 58,308.94

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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.