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Finding the Fourth Proportional to 272,017.61, 408,026.11 and 94,524.64

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Solution

The fourth proportional to 272,017.61, 408,026.11 and 94,524.64 is: 141,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,017.61 : 408,026.11 = 94,524.64 : x
  2. Step 2: Convert to fraction form
    272,017.61/408,026.11 = 94,524.64/x
  3. Step 3: Cross multiply
    272,017.61x = 408,026.11 × 94,524.64
  4. Step 4: Simplify right side
    272,017.61x = 38,568,520,079.21
  5. Step 5: Solve for x
    x = 38,568,520,079.21/272,017.61
  6. Step 6: Final answer
    x = 141,786.85

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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.