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Finding the Fourth Proportional to 124,167, 171,350.46 and 67,578.78

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Solution

The fourth proportional to 124,167, 171,350.46 and 67,578.78 is: 93,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,167 : 171,350.46 = 67,578.78 : x
  2. Step 2: Convert to fraction form
    124,167/171,350.46 = 67,578.78/x
  3. Step 3: Cross multiply
    124,167x = 171,350.46 × 67,578.78
  4. Step 4: Simplify right side
    124,167x = 11,579,655,039.24
  5. Step 5: Solve for x
    x = 11,579,655,039.24/124,167
  6. Step 6: Final answer
    x = 93,258.72

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1.5x scale

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.