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Finding the Fourth Proportional to 75,317.01, 112,902.86 and 27,919.25

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Solution

The fourth proportional to 75,317.01, 112,902.86 and 27,919.25 is: 41,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,317.01 : 112,902.86 = 27,919.25 : x
  2. Step 2: Convert to fraction form
    75,317.01/112,902.86 = 27,919.25/x
  3. Step 3: Cross multiply
    75,317.01x = 112,902.86 × 27,919.25
  4. Step 4: Simplify right side
    75,317.01x = 3,152,163,102.72
  5. Step 5: Solve for x
    x = 3,152,163,102.72/75,317.01
  6. Step 6: Final answer
    x = 41,851.94

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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.