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Finding the Fourth Proportional to 73,306.56, 101,126.88 and 49,402.56

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Solution

The fourth proportional to 73,306.56, 101,126.88 and 49,402.56 is: 68,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,306.56 : 101,126.88 = 49,402.56 : x
  2. Step 2: Convert to fraction form
    73,306.56/101,126.88 = 49,402.56/x
  3. Step 3: Cross multiply
    73,306.56x = 101,126.88 × 49,402.56
  4. Step 4: Simplify right side
    73,306.56x = 4,995,926,756.81
  5. Step 5: Solve for x
    x = 4,995,926,756.81/73,306.56
  6. Step 6: Final answer
    x = 68,151.16

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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.