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Finding the Fourth Proportional to 103,377.87, 142,650.81 and 58,060.80

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Solution

The fourth proportional to 103,377.87, 142,650.81 and 58,060.80 is: 80,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,377.87 : 142,650.81 = 58,060.80 : x
  2. Step 2: Convert to fraction form
    103,377.87/142,650.81 = 58,060.80/x
  3. Step 3: Cross multiply
    103,377.87x = 142,650.81 × 58,060.80
  4. Step 4: Simplify right side
    103,377.87x = 8,282,420,149.25
  5. Step 5: Solve for x
    x = 8,282,420,149.25/103,377.87
  6. Step 6: Final answer
    x = 80,117.92

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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.