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Finding the Fourth Proportional to 234,566.71, 323,700.78 and 127,135.60

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Solution

The fourth proportional to 234,566.71, 323,700.78 and 127,135.60 is: 175,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,566.71 : 323,700.78 = 127,135.60 : x
  2. Step 2: Convert to fraction form
    234,566.71/323,700.78 = 127,135.60/x
  3. Step 3: Cross multiply
    234,566.71x = 323,700.78 × 127,135.60
  4. Step 4: Simplify right side
    234,566.71x = 41,153,892,885.77
  5. Step 5: Solve for x
    x = 41,153,892,885.77/234,566.71
  6. Step 6: Final answer
    x = 175,446.43

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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.