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Finding the Fourth Proportional to 67,749.91, 101,595.44 and 36,152.93

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Solution

The fourth proportional to 67,749.91, 101,595.44 and 36,152.93 is: 54,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,749.91 : 101,595.44 = 36,152.93 : x
  2. Step 2: Convert to fraction form
    67,749.91/101,595.44 = 36,152.93/x
  3. Step 3: Cross multiply
    67,749.91x = 101,595.44 × 36,152.93
  4. Step 4: Simplify right side
    67,749.91x = 3,672,973,175.01
  5. Step 5: Solve for x
    x = 3,672,973,175.01/67,749.91
  6. Step 6: Final answer
    x = 54,213.70

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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.