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Finding the Fourth Proportional to 113,882.78, 157,159.41 and 62,896.78

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Solution

The fourth proportional to 113,882.78, 157,159.41 and 62,896.78 is: 86,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.78 : 157,159.41 = 62,896.78 : x
  2. Step 2: Convert to fraction form
    113,882.78/157,159.41 = 62,896.78/x
  3. Step 3: Cross multiply
    113,882.78x = 157,159.41 × 62,896.78
  4. Step 4: Simplify right side
    113,882.78x = 9,884,820,835.70
  5. Step 5: Solve for x
    x = 9,884,820,835.70/113,882.78
  6. Step 6: Final answer
    x = 86,798.20

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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.