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Finding the Fourth Proportional to 60,233.60, 90,436.80 and 47,100.80

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Solution

The fourth proportional to 60,233.60, 90,436.80 and 47,100.80 is: 70,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,233.60 : 90,436.80 = 47,100.80 : x
  2. Step 2: Convert to fraction form
    60,233.60/90,436.80 = 47,100.80/x
  3. Step 3: Cross multiply
    60,233.60x = 90,436.80 × 47,100.80
  4. Step 4: Simplify right side
    60,233.60x = 4,259,645,629.44
  5. Step 5: Solve for x
    x = 4,259,645,629.44/60,233.60
  6. Step 6: Final answer
    x = 70,718.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.