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Finding the Fourth Proportional to 129,794.88, 194,691.04 and 41,048.40

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Solution

The fourth proportional to 129,794.88, 194,691.04 and 41,048.40 is: 61,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794.88 : 194,691.04 = 41,048.40 : x
  2. Step 2: Convert to fraction form
    129,794.88/194,691.04 = 41,048.40/x
  3. Step 3: Cross multiply
    129,794.88x = 194,691.04 × 41,048.40
  4. Step 4: Simplify right side
    129,794.88x = 7,991,755,686.34
  5. Step 5: Solve for x
    x = 7,991,755,686.34/129,794.88
  6. Step 6: Final answer
    x = 61,572.20

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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.