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Finding the Fourth Proportional to 92,787.84, 139,116.96 and 29,586.96

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Solution

The fourth proportional to 92,787.84, 139,116.96 and 29,586.96 is: 44,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,787.84 : 139,116.96 = 29,586.96 : x
  2. Step 2: Convert to fraction form
    92,787.84/139,116.96 = 29,586.96/x
  3. Step 3: Cross multiply
    92,787.84x = 139,116.96 × 29,586.96
  4. Step 4: Simplify right side
    92,787.84x = 4,116,047,930.84
  5. Step 5: Solve for x
    x = 4,116,047,930.84/92,787.84
  6. Step 6: Final answer
    x = 44,359.78

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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.