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Finding the Fourth Proportional to 234,894.87, 352,340.55 and 57,400.38

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Solution

The fourth proportional to 234,894.87, 352,340.55 and 57,400.38 is: 86,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,894.87 : 352,340.55 = 57,400.38 : x
  2. Step 2: Convert to fraction form
    234,894.87/352,340.55 = 57,400.38/x
  3. Step 3: Cross multiply
    234,894.87x = 352,340.55 × 57,400.38
  4. Step 4: Simplify right side
    234,894.87x = 20,224,481,459.41
  5. Step 5: Solve for x
    x = 20,224,481,459.41/234,894.87
  6. Step 6: Final answer
    x = 86,100.14

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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.