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Finding the Fourth Proportional to 234,696.39, 351,904.02 and 74,703.21

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Solution

The fourth proportional to 234,696.39, 351,904.02 and 74,703.21 is: 112,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,696.39 : 351,904.02 = 74,703.21 : x
  2. Step 2: Convert to fraction form
    234,696.39/351,904.02 = 74,703.21/x
  3. Step 3: Cross multiply
    234,696.39x = 351,904.02 × 74,703.21
  4. Step 4: Simplify right side
    234,696.39x = 26,288,359,905.90
  5. Step 5: Solve for x
    x = 26,288,359,905.90/234,696.39
  6. Step 6: Final answer
    x = 112,010.07

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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.