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Finding the Fourth Proportional to 181,681.92, 250,506.54 and 124,348.86

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Solution

The fourth proportional to 181,681.92, 250,506.54 and 124,348.86 is: 171,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,681.92 : 250,506.54 = 124,348.86 : x
  2. Step 2: Convert to fraction form
    181,681.92/250,506.54 = 124,348.86/x
  3. Step 3: Cross multiply
    181,681.92x = 250,506.54 × 124,348.86
  4. Step 4: Simplify right side
    181,681.92x = 31,150,202,671.54
  5. Step 5: Solve for x
    x = 31,150,202,671.54/181,681.92
  6. Step 6: Final answer
    x = 171,454.61

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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.