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Finding the Fourth Proportional to 262,272.60, 393,312.51 and 93,747.44

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Solution

The fourth proportional to 262,272.60, 393,312.51 and 93,747.44 is: 140,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,272.60 : 393,312.51 = 93,747.44 : x
  2. Step 2: Convert to fraction form
    262,272.60/393,312.51 = 93,747.44/x
  3. Step 3: Cross multiply
    262,272.60x = 393,312.51 × 93,747.44
  4. Step 4: Simplify right side
    262,272.60x = 36,872,041,915.76
  5. Step 5: Solve for x
    x = 36,872,041,915.76/262,272.60
  6. Step 6: Final answer
    x = 140,586.71

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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.