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Finding the Fourth Proportional to 92,151.72, 127,168.11 and 53,937.54

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Solution

The fourth proportional to 92,151.72, 127,168.11 and 53,937.54 is: 74,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,151.72 : 127,168.11 = 53,937.54 : x
  2. Step 2: Convert to fraction form
    92,151.72/127,168.11 = 53,937.54/x
  3. Step 3: Cross multiply
    92,151.72x = 127,168.11 × 53,937.54
  4. Step 4: Simplify right side
    92,151.72x = 6,859,135,019.85
  5. Step 5: Solve for x
    x = 6,859,135,019.85/92,151.72
  6. Step 6: Final answer
    x = 74,433.07

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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.