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Finding the Fourth Proportional to 63,205.83, 87,216.62 and 34,909.83

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Solution

The fourth proportional to 63,205.83, 87,216.62 and 34,909.83 is: 48,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,205.83 : 87,216.62 = 34,909.83 : x
  2. Step 2: Convert to fraction form
    63,205.83/87,216.62 = 34,909.83/x
  3. Step 3: Cross multiply
    63,205.83x = 87,216.62 × 34,909.83
  4. Step 4: Simplify right side
    63,205.83x = 3,044,717,202.83
  5. Step 5: Solve for x
    x = 3,044,717,202.83/63,205.83
  6. Step 6: Final answer
    x = 48,171.46

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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.