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Finding the Fourth Proportional to 92,112.75, 127,115.60 and 52,368.75

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Solution

The fourth proportional to 92,112.75, 127,115.60 and 52,368.75 is: 72,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,112.75 : 127,115.60 = 52,368.75 : x
  2. Step 2: Convert to fraction form
    92,112.75/127,115.60 = 52,368.75/x
  3. Step 3: Cross multiply
    92,112.75x = 127,115.60 × 52,368.75
  4. Step 4: Simplify right side
    92,112.75x = 6,656,884,815.66
  5. Step 5: Solve for x
    x = 6,656,884,815.66/92,112.75
  6. Step 6: Final answer
    x = 72,268.88

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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.