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Finding the Fourth Proportional to 367,819.31, 551,735.90 and 101,586.89

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Solution

The fourth proportional to 367,819.31, 551,735.90 and 101,586.89 is: 152,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,819.31 : 551,735.90 = 101,586.89 : x
  2. Step 2: Convert to fraction form
    367,819.31/551,735.90 = 101,586.89/x
  3. Step 3: Cross multiply
    367,819.31x = 551,735.90 × 101,586.89
  4. Step 4: Simplify right side
    367,819.31x = 56,049,130,915.74
  5. Step 5: Solve for x
    x = 56,049,130,915.74/367,819.31
  6. Step 6: Final answer
    x = 152,382.24

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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.