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Finding the Fourth Proportional to 185,772.54, 278,655.57 and 45,532.38

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Solution

The fourth proportional to 185,772.54, 278,655.57 and 45,532.38 is: 68,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,772.54 : 278,655.57 = 45,532.38 : x
  2. Step 2: Convert to fraction form
    185,772.54/278,655.57 = 45,532.38/x
  3. Step 3: Cross multiply
    185,772.54x = 278,655.57 × 45,532.38
  4. Step 4: Simplify right side
    185,772.54x = 12,687,851,302.36
  5. Step 5: Solve for x
    x = 12,687,851,302.36/185,772.54
  6. Step 6: Final answer
    x = 68,297.78

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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.