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Finding the Fourth Proportional to 73,748.62, 110,622.99 and 31,601.37

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Solution

The fourth proportional to 73,748.62, 110,622.99 and 31,601.37 is: 47,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748.62 : 110,622.99 = 31,601.37 : x
  2. Step 2: Convert to fraction form
    73,748.62/110,622.99 = 31,601.37/x
  3. Step 3: Cross multiply
    73,748.62x = 110,622.99 × 31,601.37
  4. Step 4: Simplify right side
    73,748.62x = 3,495,838,037.50
  5. Step 5: Solve for x
    x = 3,495,838,037.50/73,748.62
  6. Step 6: Final answer
    x = 47,402.08

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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.