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Finding the Fourth Proportional to 176,306.40, 263,876.40 and 123,818.40

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Solution

The fourth proportional to 176,306.40, 263,876.40 and 123,818.40 is: 185,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,306.40 : 263,876.40 = 123,818.40 : x
  2. Step 2: Convert to fraction form
    176,306.40/263,876.40 = 123,818.40/x
  3. Step 3: Cross multiply
    176,306.40x = 263,876.40 × 123,818.40
  4. Step 4: Simplify right side
    176,306.40x = 32,672,753,645.76
  5. Step 5: Solve for x
    x = 32,672,753,645.76/176,306.40
  6. Step 6: Final answer
    x = 185,318.02

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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.