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Finding the Fourth Proportional to 243,189.96, 335,576.64 and 141,195.48

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Solution

The fourth proportional to 243,189.96, 335,576.64 and 141,195.48 is: 194,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,189.96 : 335,576.64 = 141,195.48 : x
  2. Step 2: Convert to fraction form
    243,189.96/335,576.64 = 141,195.48/x
  3. Step 3: Cross multiply
    243,189.96x = 335,576.64 × 141,195.48
  4. Step 4: Simplify right side
    243,189.96x = 47,381,904,761.59
  5. Step 5: Solve for x
    x = 47,381,904,761.59/243,189.96
  6. Step 6: Final answer
    x = 194,834.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.