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Finding the Fourth Proportional to 234,435.87, 351,648.95 and 56,943.81

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Solution

The fourth proportional to 234,435.87, 351,648.95 and 56,943.81 is: 85,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,435.87 : 351,648.95 = 56,943.81 : x
  2. Step 2: Convert to fraction form
    234,435.87/351,648.95 = 56,943.81/x
  3. Step 3: Cross multiply
    234,435.87x = 351,648.95 × 56,943.81
  4. Step 4: Simplify right side
    234,435.87x = 20,024,230,710.78
  5. Step 5: Solve for x
    x = 20,024,230,710.78/234,435.87
  6. Step 6: Final answer
    x = 85,414.53

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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.