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Finding the Fourth Proportional to 275,425.08, 413,089.98 and 73,022.52

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Solution

The fourth proportional to 275,425.08, 413,089.98 and 73,022.52 is: 109,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,425.08 : 413,089.98 = 73,022.52 : x
  2. Step 2: Convert to fraction form
    275,425.08/413,089.98 = 73,022.52/x
  3. Step 3: Cross multiply
    275,425.08x = 413,089.98 × 73,022.52
  4. Step 4: Simplify right side
    275,425.08x = 30,164,871,326.35
  5. Step 5: Solve for x
    x = 30,164,871,326.35/275,425.08
  6. Step 6: Final answer
    x = 109,521.15

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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.