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Finding the Fourth Proportional to 248,599.46, 372,649.50 and 79,995.87

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Solution

The fourth proportional to 248,599.46, 372,649.50 and 79,995.87 is: 119,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,599.46 : 372,649.50 = 79,995.87 : x
  2. Step 2: Convert to fraction form
    248,599.46/372,649.50 = 79,995.87/x
  3. Step 3: Cross multiply
    248,599.46x = 372,649.50 × 79,995.87
  4. Step 4: Simplify right side
    248,599.46x = 29,810,420,957.57
  5. Step 5: Solve for x
    x = 29,810,420,957.57/248,599.46
  6. Step 6: Final answer
    x = 119,913.46

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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.