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Finding the Fourth Proportional to 75,337.82, 103,980.53 and 49,844.69

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Solution

The fourth proportional to 75,337.82, 103,980.53 and 49,844.69 is: 68,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,337.82 : 103,980.53 = 49,844.69 : x
  2. Step 2: Convert to fraction form
    75,337.82/103,980.53 = 49,844.69/x
  3. Step 3: Cross multiply
    75,337.82x = 103,980.53 × 49,844.69
  4. Step 4: Simplify right side
    75,337.82x = 5,182,877,034.66
  5. Step 5: Solve for x
    x = 5,182,877,034.66/75,337.82
  6. Step 6: Final answer
    x = 68,795.16

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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.