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Finding the Fourth Proportional to 75,319.74, 112,850.01 and 53,093.34

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Solution

The fourth proportional to 75,319.74, 112,850.01 and 53,093.34 is: 79,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.74 : 112,850.01 = 53,093.34 : x
  2. Step 2: Convert to fraction form
    75,319.74/112,850.01 = 53,093.34/x
  3. Step 3: Cross multiply
    75,319.74x = 112,850.01 × 53,093.34
  4. Step 4: Simplify right side
    75,319.74x = 5,991,583,949.93
  5. Step 5: Solve for x
    x = 5,991,583,949.93/75,319.74
  6. Step 6: Final answer
    x = 79,548.65

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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.