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Finding the Fourth Proportional to 68,253.93, 94,198.05 and 38,042.01

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Solution

The fourth proportional to 68,253.93, 94,198.05 and 38,042.01 is: 52,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.93 : 94,198.05 = 38,042.01 : x
  2. Step 2: Convert to fraction form
    68,253.93/94,198.05 = 38,042.01/x
  3. Step 3: Cross multiply
    68,253.93x = 94,198.05 × 38,042.01
  4. Step 4: Simplify right side
    68,253.93x = 3,583,483,160.08
  5. Step 5: Solve for x
    x = 3,583,483,160.08/68,253.93
  6. Step 6: Final answer
    x = 52,502.22

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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.