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Finding the Fourth Proportional to 124,467.33, 171,766.07 and 67,878.71

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Solution

The fourth proportional to 124,467.33, 171,766.07 and 67,878.71 is: 93,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,467.33 : 171,766.07 = 67,878.71 : x
  2. Step 2: Convert to fraction form
    124,467.33/171,766.07 = 67,878.71/x
  3. Step 3: Cross multiply
    124,467.33x = 171,766.07 × 67,878.71
  4. Step 4: Simplify right side
    124,467.33x = 11,659,258,953.81
  5. Step 5: Solve for x
    x = 11,659,258,953.81/124,467.33
  6. Step 6: Final answer
    x = 93,673.24

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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.