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Finding the Fourth Proportional to 113,882.28, 157,158.72 and 62,896.28

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Solution

The fourth proportional to 113,882.28, 157,158.72 and 62,896.28 is: 86,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.28 : 157,158.72 = 62,896.28 : x
  2. Step 2: Convert to fraction form
    113,882.28/157,158.72 = 62,896.28/x
  3. Step 3: Cross multiply
    113,882.28x = 157,158.72 × 62,896.28
  4. Step 4: Simplify right side
    113,882.28x = 9,884,698,071.77
  5. Step 5: Solve for x
    x = 9,884,698,071.77/113,882.28
  6. Step 6: Final answer
    x = 86,797.51

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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.