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Finding the Fourth Proportional to 234,701.40, 351,468.90 and 188,045.40

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Solution

The fourth proportional to 234,701.40, 351,468.90 and 188,045.40 is: 281,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,701.40 : 351,468.90 = 188,045.40 : x
  2. Step 2: Convert to fraction form
    234,701.40/351,468.90 = 188,045.40/x
  3. Step 3: Cross multiply
    234,701.40x = 351,468.90 × 188,045.40
  4. Step 4: Simplify right side
    234,701.40x = 66,092,109,888.06
  5. Step 5: Solve for x
    x = 66,092,109,888.06/234,701.40
  6. Step 6: Final answer
    x = 281,600.83

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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.