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Finding the Fourth Proportional to 171,035.80, 256,553.70 and 60,213.40

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Solution

The fourth proportional to 171,035.80, 256,553.70 and 60,213.40 is: 90,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.80 : 256,553.70 = 60,213.40 : x
  2. Step 2: Convert to fraction form
    171,035.80/256,553.70 = 60,213.40/x
  3. Step 3: Cross multiply
    171,035.80x = 256,553.70 × 60,213.40
  4. Step 4: Simplify right side
    171,035.80x = 15,447,970,559.58
  5. Step 5: Solve for x
    x = 15,447,970,559.58/171,035.80
  6. Step 6: Final answer
    x = 90,320.10

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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.