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Finding the Fourth Proportional to 92,298.88, 127,372.44 and 49,857.40

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Solution

The fourth proportional to 92,298.88, 127,372.44 and 49,857.40 is: 68,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,298.88 : 127,372.44 = 49,857.40 : x
  2. Step 2: Convert to fraction form
    92,298.88/127,372.44 = 49,857.40/x
  3. Step 3: Cross multiply
    92,298.88x = 127,372.44 × 49,857.40
  4. Step 4: Simplify right side
    92,298.88x = 6,350,458,690.06
  5. Step 5: Solve for x
    x = 6,350,458,690.06/92,298.88
  6. Step 6: Final answer
    x = 68,803.20

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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.