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Finding the Fourth Proportional to 63,378.93, 87,448.14 and 43,277.67

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Solution

The fourth proportional to 63,378.93, 87,448.14 and 43,277.67 is: 59,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.93 : 87,448.14 = 43,277.67 : x
  2. Step 2: Convert to fraction form
    63,378.93/87,448.14 = 43,277.67/x
  3. Step 3: Cross multiply
    63,378.93x = 87,448.14 × 43,277.67
  4. Step 4: Simplify right side
    63,378.93x = 3,784,551,745.03
  5. Step 5: Solve for x
    x = 3,784,551,745.03/63,378.93
  6. Step 6: Final answer
    x = 59,713.09

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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.