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Finding the Fourth Proportional to 82,791.14, 114,248.34 and 45,065.39

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Solution

The fourth proportional to 82,791.14, 114,248.34 and 45,065.39 is: 62,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.14 : 114,248.34 = 45,065.39 : x
  2. Step 2: Convert to fraction form
    82,791.14/114,248.34 = 45,065.39/x
  3. Step 3: Cross multiply
    82,791.14x = 114,248.34 × 45,065.39
  4. Step 4: Simplify right side
    82,791.14x = 5,148,645,427.71
  5. Step 5: Solve for x
    x = 5,148,645,427.71/82,791.14
  6. Step 6: Final answer
    x = 62,188.37

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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.