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Finding the Fourth Proportional to 75,081.98, 112,504.42 and 60,973.36

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Solution

The fourth proportional to 75,081.98, 112,504.42 and 60,973.36 is: 91,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.98 : 112,504.42 = 60,973.36 : x
  2. Step 2: Convert to fraction form
    75,081.98/112,504.42 = 60,973.36/x
  3. Step 3: Cross multiply
    75,081.98x = 112,504.42 × 60,973.36
  4. Step 4: Simplify right side
    75,081.98x = 6,859,772,297.21
  5. Step 5: Solve for x
    x = 6,859,772,297.21/75,081.98
  6. Step 6: Final answer
    x = 91,363.76

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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.