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Finding the Fourth Proportional to 68,661.95, 94,755.02 and 48,554.91

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Solution

The fourth proportional to 68,661.95, 94,755.02 and 48,554.91 is: 67,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,661.95 : 94,755.02 = 48,554.91 : x
  2. Step 2: Convert to fraction form
    68,661.95/94,755.02 = 48,554.91/x
  3. Step 3: Cross multiply
    68,661.95x = 94,755.02 × 48,554.91
  4. Step 4: Simplify right side
    68,661.95x = 4,600,821,225.37
  5. Step 5: Solve for x
    x = 4,600,821,225.37/68,661.95
  6. Step 6: Final answer
    x = 67,006.86

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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.