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Finding the Fourth Proportional to 92,119.20, 127,113.20 and 58,114.86

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Solution

The fourth proportional to 92,119.20, 127,113.20 and 58,114.86 is: 80,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,119.20 : 127,113.20 = 58,114.86 : x
  2. Step 2: Convert to fraction form
    92,119.20/127,113.20 = 58,114.86/x
  3. Step 3: Cross multiply
    92,119.20x = 127,113.20 × 58,114.86
  4. Step 4: Simplify right side
    92,119.20x = 7,387,165,822.15
  5. Step 5: Solve for x
    x = 7,387,165,822.15/92,119.20
  6. Step 6: Final answer
    x = 80,191.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.