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Finding the Fourth Proportional to 378,064.44, 566,903.88 and 125,253.72

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Solution

The fourth proportional to 378,064.44, 566,903.88 and 125,253.72 is: 187,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,064.44 : 566,903.88 = 125,253.72 : x
  2. Step 2: Convert to fraction form
    378,064.44/566,903.88 = 125,253.72/x
  3. Step 3: Cross multiply
    378,064.44x = 566,903.88 × 125,253.72
  4. Step 4: Simplify right side
    378,064.44x = 71,006,819,852.43
  5. Step 5: Solve for x
    x = 71,006,819,852.43/378,064.44
  6. Step 6: Final answer
    x = 187,816.71

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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.