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Finding the Fourth Proportional to 68,308.82, 94,265.99 and 38,094.18

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Solution

The fourth proportional to 68,308.82, 94,265.99 and 38,094.18 is: 52,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,308.82 : 94,265.99 = 38,094.18 : x
  2. Step 2: Convert to fraction form
    68,308.82/94,265.99 = 38,094.18/x
  3. Step 3: Cross multiply
    68,308.82x = 94,265.99 × 38,094.18
  4. Step 4: Simplify right side
    68,308.82x = 3,590,985,686.17
  5. Step 5: Solve for x
    x = 3,590,985,686.17/68,308.82
  6. Step 6: Final answer
    x = 52,569.87

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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.