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Finding the Fourth Proportional to 79,223.58, 118,773.69 and 39,214.96

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Solution

The fourth proportional to 79,223.58, 118,773.69 and 39,214.96 is: 58,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.58 : 118,773.69 = 39,214.96 : x
  2. Step 2: Convert to fraction form
    79,223.58/118,773.69 = 39,214.96/x
  3. Step 3: Cross multiply
    79,223.58x = 118,773.69 × 39,214.96
  4. Step 4: Simplify right side
    79,223.58x = 4,657,705,613.05
  5. Step 5: Solve for x
    x = 4,657,705,613.05/79,223.58
  6. Step 6: Final answer
    x = 58,791.91

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1.5x scale

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.