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Finding the Fourth Proportional to 68,253.48, 94,237.83 and 47,878.86

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Solution

The fourth proportional to 68,253.48, 94,237.83 and 47,878.86 is: 66,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,253.48 : 94,237.83 = 47,878.86 : x
  2. Step 2: Convert to fraction form
    68,253.48/94,237.83 = 47,878.86/x
  3. Step 3: Cross multiply
    68,253.48x = 94,237.83 × 47,878.86
  4. Step 4: Simplify right side
    68,253.48x = 4,511,999,869.27
  5. Step 5: Solve for x
    x = 4,511,999,869.27/68,253.48
  6. Step 6: Final answer
    x = 66,106.52

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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.