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Finding the Fourth Proportional to 272,548.72, 408,860.48 and 92,585.83

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Solution

The fourth proportional to 272,548.72, 408,860.48 and 92,585.83 is: 138,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,548.72 : 408,860.48 = 92,585.83 : x
  2. Step 2: Convert to fraction form
    272,548.72/408,860.48 = 92,585.83/x
  3. Step 3: Cross multiply
    272,548.72x = 408,860.48 × 92,585.83
  4. Step 4: Simplify right side
    272,548.72x = 37,854,686,895.00
  5. Step 5: Solve for x
    x = 37,854,686,895.00/272,548.72
  6. Step 6: Final answer
    x = 138,891.45

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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.