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Finding the Fourth Proportional to 113,882.77, 157,159.40 and 62,896.78

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Solution

The fourth proportional to 113,882.77, 157,159.40 and 62,896.78 is: 86,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.77 : 157,159.40 = 62,896.78 : x
  2. Step 2: Convert to fraction form
    113,882.77/157,159.40 = 62,896.78/x
  3. Step 3: Cross multiply
    113,882.77x = 157,159.40 × 62,896.78
  4. Step 4: Simplify right side
    113,882.77x = 9,884,820,206.73
  5. Step 5: Solve for x
    x = 9,884,820,206.73/113,882.77
  6. Step 6: Final answer
    x = 86,798.21

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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.