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Finding the Fourth Proportional to 68,266.72, 94,208.50 and 38,053.96

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Solution

The fourth proportional to 68,266.72, 94,208.50 and 38,053.96 is: 52,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.72 : 94,208.50 = 38,053.96 : x
  2. Step 2: Convert to fraction form
    68,266.72/94,208.50 = 38,053.96/x
  3. Step 3: Cross multiply
    68,266.72x = 94,208.50 × 38,053.96
  4. Step 4: Simplify right side
    68,266.72x = 3,585,006,490.66
  5. Step 5: Solve for x
    x = 3,585,006,490.66/68,266.72
  6. Step 6: Final answer
    x = 52,514.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.