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Finding the Fourth Proportional to 234,701.90, 351,469.65 and 188,045.90

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Solution

The fourth proportional to 234,701.90, 351,469.65 and 188,045.90 is: 281,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,701.90 : 351,469.65 = 188,045.90 : x
  2. Step 2: Convert to fraction form
    234,701.90/351,469.65 = 188,045.90/x
  3. Step 3: Cross multiply
    234,701.90x = 351,469.65 × 188,045.90
  4. Step 4: Simplify right side
    234,701.90x = 66,092,426,656.94
  5. Step 5: Solve for x
    x = 66,092,426,656.94/234,701.90
  6. Step 6: Final answer
    x = 281,601.58

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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.