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Finding the Fourth Proportional to 92,349.78, 127,442.28 and 49,908.24

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Solution

The fourth proportional to 92,349.78, 127,442.28 and 49,908.24 is: 68,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,349.78 : 127,442.28 = 49,908.24 : x
  2. Step 2: Convert to fraction form
    92,349.78/127,442.28 = 49,908.24/x
  3. Step 3: Cross multiply
    92,349.78x = 127,442.28 × 49,908.24
  4. Step 4: Simplify right side
    92,349.78x = 6,360,419,896.39
  5. Step 5: Solve for x
    x = 6,360,419,896.39/92,349.78
  6. Step 6: Final answer
    x = 68,873.15

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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.