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Finding the Fourth Proportional to 68,877.54, 103,014.45 and 63,833.67

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Solution

The fourth proportional to 68,877.54, 103,014.45 and 63,833.67 is: 95,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,877.54 : 103,014.45 = 63,833.67 : x
  2. Step 2: Convert to fraction form
    68,877.54/103,014.45 = 63,833.67/x
  3. Step 3: Cross multiply
    68,877.54x = 103,014.45 × 63,833.67
  4. Step 4: Simplify right side
    68,877.54x = 6,575,790,406.53
  5. Step 5: Solve for x
    x = 6,575,790,406.53/68,877.54
  6. Step 6: Final answer
    x = 95,470.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.