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Finding the Fourth Proportional to 124,326.67, 171,570.70 and 67,738.04

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Solution

The fourth proportional to 124,326.67, 171,570.70 and 67,738.04 is: 93,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,326.67 : 171,570.70 = 67,738.04 : x
  2. Step 2: Convert to fraction form
    124,326.67/171,570.70 = 67,738.04/x
  3. Step 3: Cross multiply
    124,326.67x = 171,570.70 × 67,738.04
  4. Step 4: Simplify right side
    124,326.67x = 11,621,862,939.43
  5. Step 5: Solve for x
    x = 11,621,862,939.43/124,326.67
  6. Step 6: Final answer
    x = 93,478.44

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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.