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Finding the Fourth Proportional to 231,234, 346,851 and 56,130

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Solution

The fourth proportional to 231,234, 346,851 and 56,130 is: 84,195

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,234 : 346,851 = 56,130 : x
  2. Step 2: Convert to fraction form
    231,234/346,851 = 56,130/x
  3. Step 3: Cross multiply
    231,234x = 346,851 × 56,130
  4. Step 4: Simplify right side
    231,234x = 19,468,746,630
  5. Step 5: Solve for x
    x = 19,468,746,630/231,234
  6. Step 6: Final answer
    x = 84,195

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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.