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Finding the Fourth Proportional to 171,607.40, 256,892.70 and 150,871.40

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Solution

The fourth proportional to 171,607.40, 256,892.70 and 150,871.40 is: 225,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607.40 : 256,892.70 = 150,871.40 : x
  2. Step 2: Convert to fraction form
    171,607.40/256,892.70 = 150,871.40/x
  3. Step 3: Cross multiply
    171,607.40x = 256,892.70 × 150,871.40
  4. Step 4: Simplify right side
    171,607.40x = 38,757,761,298.78
  5. Step 5: Solve for x
    x = 38,757,761,298.78/171,607.40
  6. Step 6: Final answer
    x = 225,851.34

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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.