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Finding the Fourth Proportional to 63,201.50, 87,218.07 and 34,909.01

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Solution

The fourth proportional to 63,201.50, 87,218.07 and 34,909.01 is: 48,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,201.50 : 87,218.07 = 34,909.01 : x
  2. Step 2: Convert to fraction form
    63,201.50/87,218.07 = 34,909.01/x
  3. Step 3: Cross multiply
    63,201.50x = 87,218.07 × 34,909.01
  4. Step 4: Simplify right side
    63,201.50x = 3,044,696,477.81
  5. Step 5: Solve for x
    x = 3,044,696,477.81/63,201.50
  6. Step 6: Final answer
    x = 48,174.43

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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.