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Finding the Fourth Proportional to 68,809.55, 94,857.63 and 48,329.41

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Solution

The fourth proportional to 68,809.55, 94,857.63 and 48,329.41 is: 66,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,809.55 : 94,857.63 = 48,329.41 : x
  2. Step 2: Convert to fraction form
    68,809.55/94,857.63 = 48,329.41/x
  3. Step 3: Cross multiply
    68,809.55x = 94,857.63 × 48,329.41
  4. Step 4: Simplify right side
    68,809.55x = 4,584,413,323.23
  5. Step 5: Solve for x
    x = 4,584,413,323.23/68,809.55
  6. Step 6: Final answer
    x = 66,624.67

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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.