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Finding the Fourth Proportional to 234,280.95, 351,420.27 and 56,787.97

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Solution

The fourth proportional to 234,280.95, 351,420.27 and 56,787.97 is: 85,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,280.95 : 351,420.27 = 56,787.97 : x
  2. Step 2: Convert to fraction form
    234,280.95/351,420.27 = 56,787.97/x
  3. Step 3: Cross multiply
    234,280.95x = 351,420.27 × 56,787.97
  4. Step 4: Simplify right side
    234,280.95x = 19,956,443,750.15
  5. Step 5: Solve for x
    x = 19,956,443,750.15/234,280.95
  6. Step 6: Final answer
    x = 85,181.68

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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.