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Finding the Fourth Proportional to 68,141, 94,034.64 and 38,333

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Solution

The fourth proportional to 68,141, 94,034.64 and 38,333 is: 52,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,141 : 94,034.64 = 38,333 : x
  2. Step 2: Convert to fraction form
    68,141/94,034.64 = 38,333/x
  3. Step 3: Cross multiply
    68,141x = 94,034.64 × 38,333
  4. Step 4: Simplify right side
    68,141x = 3,604,629,855.12
  5. Step 5: Solve for x
    x = 3,604,629,855.12/68,141
  6. Step 6: Final answer
    x = 52,899.57

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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.