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Finding the Fourth Proportional to 76,916.84, 106,154.90 and 44,644.52

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Solution

The fourth proportional to 76,916.84, 106,154.90 and 44,644.52 is: 61,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.84 : 106,154.90 = 44,644.52 : x
  2. Step 2: Convert to fraction form
    76,916.84/106,154.90 = 44,644.52/x
  3. Step 3: Cross multiply
    76,916.84x = 106,154.90 × 44,644.52
  4. Step 4: Simplify right side
    76,916.84x = 4,739,234,419.73
  5. Step 5: Solve for x
    x = 4,739,234,419.73/76,916.84
  6. Step 6: Final answer
    x = 61,615.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.