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Finding the Fourth Proportional to 92,693.72, 127,917 and 50,252.24

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Solution

The fourth proportional to 92,693.72, 127,917 and 50,252.24 is: 69,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,693.72 : 127,917 = 50,252.24 : x
  2. Step 2: Convert to fraction form
    92,693.72/127,917 = 50,252.24/x
  3. Step 3: Cross multiply
    92,693.72x = 127,917 × 50,252.24
  4. Step 4: Simplify right side
    92,693.72x = 6,428,115,784.08
  5. Step 5: Solve for x
    x = 6,428,115,784.08/92,693.72
  6. Step 6: Final answer
    x = 69,347.91

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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.