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Finding the Fourth Proportional to 228,691.74, 343,006.47 and 60,197.96

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Solution

The fourth proportional to 228,691.74, 343,006.47 and 60,197.96 is: 90,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,691.74 : 343,006.47 = 60,197.96 : x
  2. Step 2: Convert to fraction form
    228,691.74/343,006.47 = 60,197.96/x
  3. Step 3: Cross multiply
    228,691.74x = 343,006.47 × 60,197.96
  4. Step 4: Simplify right side
    228,691.74x = 20,648,288,045.77
  5. Step 5: Solve for x
    x = 20,648,288,045.77/228,691.74
  6. Step 6: Final answer
    x = 90,288.74

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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.