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Finding the Fourth Proportional to 79,973.58, 119,773.80 and 63,221.16

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Solution

The fourth proportional to 79,973.58, 119,773.80 and 63,221.16 is: 94,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,973.58 : 119,773.80 = 63,221.16 : x
  2. Step 2: Convert to fraction form
    79,973.58/119,773.80 = 63,221.16/x
  3. Step 3: Cross multiply
    79,973.58x = 119,773.80 × 63,221.16
  4. Step 4: Simplify right side
    79,973.58x = 7,572,238,573.61
  5. Step 5: Solve for x
    x = 7,572,238,573.61/79,973.58
  6. Step 6: Final answer
    x = 94,684.25

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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.