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Finding the Fourth Proportional to 124,197.57, 171,393.71 and 67,608.81

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Solution

The fourth proportional to 124,197.57, 171,393.71 and 67,608.81 is: 93,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,197.57 : 171,393.71 = 67,608.81 : x
  2. Step 2: Convert to fraction form
    124,197.57/171,393.71 = 67,608.81/x
  3. Step 3: Cross multiply
    124,197.57x = 171,393.71 × 67,608.81
  4. Step 4: Simplify right side
    124,197.57x = 11,587,724,436.54
  5. Step 5: Solve for x
    x = 11,587,724,436.54/124,197.57
  6. Step 6: Final answer
    x = 93,300.73

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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.