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Finding the Fourth Proportional to 171,045.80, 256,568.70 and 60,223.40

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Solution

The fourth proportional to 171,045.80, 256,568.70 and 60,223.40 is: 90,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045.80 : 256,568.70 = 60,223.40 : x
  2. Step 2: Convert to fraction form
    171,045.80/256,568.70 = 60,223.40/x
  3. Step 3: Cross multiply
    171,045.80x = 256,568.70 × 60,223.40
  4. Step 4: Simplify right side
    171,045.80x = 15,451,439,447.58
  5. Step 5: Solve for x
    x = 15,451,439,447.58/171,045.80
  6. Step 6: Final answer
    x = 90,335.10

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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.