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Finding the Fourth Proportional to 153,951.40, 230,927.10 and 132,956.20

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Solution

The fourth proportional to 153,951.40, 230,927.10 and 132,956.20 is: 199,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,951.40 : 230,927.10 = 132,956.20 : x
  2. Step 2: Convert to fraction form
    153,951.40/230,927.10 = 132,956.20/x
  3. Step 3: Cross multiply
    153,951.40x = 230,927.10 × 132,956.20
  4. Step 4: Simplify right side
    153,951.40x = 30,703,189,693.02
  5. Step 5: Solve for x
    x = 30,703,189,693.02/153,951.40
  6. Step 6: Final answer
    x = 199,434.30

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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.