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Finding the Fourth Proportional to 194,108.27, 291,160.71 and 53,866.89

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Solution

The fourth proportional to 194,108.27, 291,160.71 and 53,866.89 is: 80,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,108.27 : 291,160.71 = 53,866.89 : x
  2. Step 2: Convert to fraction form
    194,108.27/291,160.71 = 53,866.89/x
  3. Step 3: Cross multiply
    194,108.27x = 291,160.71 × 53,866.89
  4. Step 4: Simplify right side
    194,108.27x = 15,683,921,937.89
  5. Step 5: Solve for x
    x = 15,683,921,937.89/194,108.27
  6. Step 6: Final answer
    x = 80,799.87

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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.