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Finding the Fourth Proportional to 171,669.40, 256,985.70 and 150,933.40

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Solution

The fourth proportional to 171,669.40, 256,985.70 and 150,933.40 is: 225,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,669.40 : 256,985.70 = 150,933.40 : x
  2. Step 2: Convert to fraction form
    171,669.40/256,985.70 = 150,933.40/x
  3. Step 3: Cross multiply
    171,669.40x = 256,985.70 × 150,933.40
  4. Step 4: Simplify right side
    171,669.40x = 38,787,725,452.38
  5. Step 5: Solve for x
    x = 38,787,725,452.38/171,669.40
  6. Step 6: Final answer
    x = 225,944.32

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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.