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Finding the Fourth Proportional to 92,216.86, 138,250.70 and 38,874.39

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Solution

The fourth proportional to 92,216.86, 138,250.70 and 38,874.39 is: 58,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,216.86 : 138,250.70 = 38,874.39 : x
  2. Step 2: Convert to fraction form
    92,216.86/138,250.70 = 38,874.39/x
  3. Step 3: Cross multiply
    92,216.86x = 138,250.70 × 38,874.39
  4. Step 4: Simplify right side
    92,216.86x = 5,374,411,435.20
  5. Step 5: Solve for x
    x = 5,374,411,435.20/92,216.86
  6. Step 6: Final answer
    x = 58,280.14

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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.