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Finding the Fourth Proportional to 124,382.16, 171,647.52 and 67,793.52

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Solution

The fourth proportional to 124,382.16, 171,647.52 and 67,793.52 is: 93,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,382.16 : 171,647.52 = 67,793.52 : x
  2. Step 2: Convert to fraction form
    124,382.16/171,647.52 = 67,793.52/x
  3. Step 3: Cross multiply
    124,382.16x = 171,647.52 × 67,793.52
  4. Step 4: Simplify right side
    124,382.16x = 11,636,589,580.07
  5. Step 5: Solve for x
    x = 11,636,589,580.07/124,382.16
  6. Step 6: Final answer
    x = 93,555.13

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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.