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Finding the Fourth Proportional to 248,384.53, 372,367.80 and 108,037.45

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Solution

The fourth proportional to 248,384.53, 372,367.80 and 108,037.45 is: 161,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,384.53 : 372,367.80 = 108,037.45 : x
  2. Step 2: Convert to fraction form
    248,384.53/372,367.80 = 108,037.45/x
  3. Step 3: Cross multiply
    248,384.53x = 372,367.80 × 108,037.45
  4. Step 4: Simplify right side
    248,384.53x = 40,229,667,574.11
  5. Step 5: Solve for x
    x = 40,229,667,574.11/248,384.53
  6. Step 6: Final answer
    x = 161,965.27

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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.