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Finding the Fourth Proportional to 68,568.50, 94,573.67 and 48,404.36

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Solution

The fourth proportional to 68,568.50, 94,573.67 and 48,404.36 is: 66,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,568.50 : 94,573.67 = 48,404.36 : x
  2. Step 2: Convert to fraction form
    68,568.50/94,573.67 = 48,404.36/x
  3. Step 3: Cross multiply
    68,568.50x = 94,573.67 × 48,404.36
  4. Step 4: Simplify right side
    68,568.50x = 4,577,777,254.31
  5. Step 5: Solve for x
    x = 4,577,777,254.31/68,568.50
  6. Step 6: Final answer
    x = 66,762.11

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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.