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Finding the Fourth Proportional to 224,690.92, 310,057.86 and 124,081

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Solution

The fourth proportional to 224,690.92, 310,057.86 and 124,081 is: 171,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,690.92 : 310,057.86 = 124,081 : x
  2. Step 2: Convert to fraction form
    224,690.92/310,057.86 = 124,081/x
  3. Step 3: Cross multiply
    224,690.92x = 310,057.86 × 124,081
  4. Step 4: Simplify right side
    224,690.92x = 38,472,289,326.66
  5. Step 5: Solve for x
    x = 38,472,289,326.66/224,690.92
  6. Step 6: Final answer
    x = 171,223.16

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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.