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Finding the Fourth Proportional to 92,570.82, 127,747.53 and 50,129.70

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Solution

The fourth proportional to 92,570.82, 127,747.53 and 50,129.70 is: 69,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.82 : 127,747.53 = 50,129.70 : x
  2. Step 2: Convert to fraction form
    92,570.82/127,747.53 = 50,129.70/x
  3. Step 3: Cross multiply
    92,570.82x = 127,747.53 × 50,129.70
  4. Step 4: Simplify right side
    92,570.82x = 6,403,945,354.64
  5. Step 5: Solve for x
    x = 6,403,945,354.64/92,570.82
  6. Step 6: Final answer
    x = 69,178.88

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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.