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Finding the Fourth Proportional to 171,593.60, 257,270.40 and 101,436.80

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Solution

The fourth proportional to 171,593.60, 257,270.40 and 101,436.80 is: 152,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,593.60 : 257,270.40 = 101,436.80 : x
  2. Step 2: Convert to fraction form
    171,593.60/257,270.40 = 101,436.80/x
  3. Step 3: Cross multiply
    171,593.60x = 257,270.40 × 101,436.80
  4. Step 4: Simplify right side
    171,593.60x = 26,096,686,110.72
  5. Step 5: Solve for x
    x = 26,096,686,110.72/171,593.60
  6. Step 6: Final answer
    x = 152,084.26

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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.