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Finding the Fourth Proportional to 68,178.92, 94,061.94 and 41,302.04

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Solution

The fourth proportional to 68,178.92, 94,061.94 and 41,302.04 is: 56,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178.92 : 94,061.94 = 41,302.04 : x
  2. Step 2: Convert to fraction form
    68,178.92/94,061.94 = 41,302.04/x
  3. Step 3: Cross multiply
    68,178.92x = 94,061.94 × 41,302.04
  4. Step 4: Simplify right side
    68,178.92x = 3,884,950,008.36
  5. Step 5: Solve for x
    x = 3,884,950,008.36/68,178.92
  6. Step 6: Final answer
    x = 56,981.69

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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.