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Finding the Fourth Proportional to 101,248.27, 139,719.81 and 55,925.44

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Solution

The fourth proportional to 101,248.27, 139,719.81 and 55,925.44 is: 77,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,248.27 : 139,719.81 = 55,925.44 : x
  2. Step 2: Convert to fraction form
    101,248.27/139,719.81 = 55,925.44/x
  3. Step 3: Cross multiply
    101,248.27x = 139,719.81 × 55,925.44
  4. Step 4: Simplify right side
    101,248.27x = 7,813,891,850.97
  5. Step 5: Solve for x
    x = 7,813,891,850.97/101,248.27
  6. Step 6: Final answer
    x = 77,175.56

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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.