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Finding the Fourth Proportional to 92,174.15, 127,217.15 and 53,931.49

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Solution

The fourth proportional to 92,174.15, 127,217.15 and 53,931.49 is: 74,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,174.15 : 127,217.15 = 53,931.49 : x
  2. Step 2: Convert to fraction form
    92,174.15/127,217.15 = 53,931.49/x
  3. Step 3: Cross multiply
    92,174.15x = 127,217.15 × 53,931.49
  4. Step 4: Simplify right side
    92,174.15x = 6,861,010,067.60
  5. Step 5: Solve for x
    x = 6,861,010,067.60/92,174.15
  6. Step 6: Final answer
    x = 74,435.29

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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.