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Finding the Fourth Proportional to 124,193, 171,386.36 and 67,604.80

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Solution

The fourth proportional to 124,193, 171,386.36 and 67,604.80 is: 93,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,193 : 171,386.36 = 67,604.80 : x
  2. Step 2: Convert to fraction form
    124,193/171,386.36 = 67,604.80/x
  3. Step 3: Cross multiply
    124,193x = 171,386.36 × 67,604.80
  4. Step 4: Simplify right side
    124,193x = 11,586,540,590.53
  5. Step 5: Solve for x
    x = 11,586,540,590.53/124,193
  6. Step 6: Final answer
    x = 93,294.63

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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.