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Finding the Fourth Proportional to 63,102.67, 87,035.99 and 42,923.75

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Solution

The fourth proportional to 63,102.67, 87,035.99 and 42,923.75 is: 59,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,102.67 : 87,035.99 = 42,923.75 : x
  2. Step 2: Convert to fraction form
    63,102.67/87,035.99 = 42,923.75/x
  3. Step 3: Cross multiply
    63,102.67x = 87,035.99 × 42,923.75
  4. Step 4: Simplify right side
    63,102.67x = 3,735,910,425.96
  5. Step 5: Solve for x
    x = 3,735,910,425.96/63,102.67
  6. Step 6: Final answer
    x = 59,203.68

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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.