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Finding the Fourth Proportional to 171,001.20, 256,501.80 and 151,318.20

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Solution

The fourth proportional to 171,001.20, 256,501.80 and 151,318.20 is: 226,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,001.20 : 256,501.80 = 151,318.20 : x
  2. Step 2: Convert to fraction form
    171,001.20/256,501.80 = 151,318.20/x
  3. Step 3: Cross multiply
    171,001.20x = 256,501.80 × 151,318.20
  4. Step 4: Simplify right side
    171,001.20x = 38,813,390,672.76
  5. Step 5: Solve for x
    x = 38,813,390,672.76/171,001.20
  6. Step 6: Final answer
    x = 226,977.30

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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.