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Finding the Fourth Proportional to 68,581.84, 94,470.60 and 68,581.84

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Solution

The fourth proportional to 68,581.84, 94,470.60 and 68,581.84 is: 94,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.84 : 94,470.60 = 68,581.84 : x
  2. Step 2: Convert to fraction form
    68,581.84/94,470.60 = 68,581.84/x
  3. Step 3: Cross multiply
    68,581.84x = 94,470.60 × 68,581.84
  4. Step 4: Simplify right side
    68,581.84x = 6,478,967,573.90
  5. Step 5: Solve for x
    x = 6,478,967,573.90/68,581.84
  6. Step 6: Final answer
    x = 94,470.60

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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.