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Finding the Fourth Proportional to 194,818.40, 292,227.60 and 124,834.40

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Solution

The fourth proportional to 194,818.40, 292,227.60 and 124,834.40 is: 187,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,818.40 : 292,227.60 = 124,834.40 : x
  2. Step 2: Convert to fraction form
    194,818.40/292,227.60 = 124,834.40/x
  3. Step 3: Cross multiply
    194,818.40x = 292,227.60 × 124,834.40
  4. Step 4: Simplify right side
    194,818.40x = 36,480,057,109.44
  5. Step 5: Solve for x
    x = 36,480,057,109.44/194,818.40
  6. Step 6: Final answer
    x = 187,251.60

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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.