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Finding the Fourth Proportional to 113,881.77, 157,158.02 and 62,895.78

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Solution

The fourth proportional to 113,881.77, 157,158.02 and 62,895.78 is: 86,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,881.77 : 157,158.02 = 62,895.78 : x
  2. Step 2: Convert to fraction form
    113,881.77/157,158.02 = 62,895.78/x
  3. Step 3: Cross multiply
    113,881.77x = 157,158.02 × 62,895.78
  4. Step 4: Simplify right side
    113,881.77x = 9,884,576,251.16
  5. Step 5: Solve for x
    x = 9,884,576,251.16/113,881.77
  6. Step 6: Final answer
    x = 86,796.83

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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.