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Finding the Fourth Proportional to 234,411.13, 351,616.70 and 56,916.95

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Solution

The fourth proportional to 234,411.13, 351,616.70 and 56,916.95 is: 85,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,411.13 : 351,616.70 = 56,916.95 : x
  2. Step 2: Convert to fraction form
    234,411.13/351,616.70 = 56,916.95/x
  3. Step 3: Cross multiply
    234,411.13x = 351,616.70 × 56,916.95
  4. Step 4: Simplify right side
    234,411.13x = 20,012,949,254.02
  5. Step 5: Solve for x
    x = 20,012,949,254.02/234,411.13
  6. Step 6: Final answer
    x = 85,375.42

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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.