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Finding the Fourth Proportional to 82,699.48, 114,126.06 and 49,159

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Solution

The fourth proportional to 82,699.48, 114,126.06 and 49,159 is: 67,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,699.48 : 114,126.06 = 49,159 : x
  2. Step 2: Convert to fraction form
    82,699.48/114,126.06 = 49,159/x
  3. Step 3: Cross multiply
    82,699.48x = 114,126.06 × 49,159
  4. Step 4: Simplify right side
    82,699.48x = 5,610,322,983.54
  5. Step 5: Solve for x
    x = 5,610,322,983.54/82,699.48
  6. Step 6: Final answer
    x = 67,839.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.