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Finding the Fourth Proportional to 114,718.91, 158,248.28 and 106,600.37

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Solution

The fourth proportional to 114,718.91, 158,248.28 and 106,600.37 is: 147,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,718.91 : 158,248.28 = 106,600.37 : x
  2. Step 2: Convert to fraction form
    114,718.91/158,248.28 = 106,600.37/x
  3. Step 3: Cross multiply
    114,718.91x = 158,248.28 × 106,600.37
  4. Step 4: Simplify right side
    114,718.91x = 16,869,324,675.12
  5. Step 5: Solve for x
    x = 16,869,324,675.12/114,718.91
  6. Step 6: Final answer
    x = 147,049.21

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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.