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Finding the Fourth Proportional to 63,166.57, 94,749.95 and 42,147.68

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Solution

The fourth proportional to 63,166.57, 94,749.95 and 42,147.68 is: 63,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,166.57 : 94,749.95 = 42,147.68 : x
  2. Step 2: Convert to fraction form
    63,166.57/94,749.95 = 42,147.68/x
  3. Step 3: Cross multiply
    63,166.57x = 94,749.95 × 42,147.68
  4. Step 4: Simplify right side
    63,166.57x = 3,993,490,204.24
  5. Step 5: Solve for x
    x = 3,993,490,204.24/63,166.57
  6. Step 6: Final answer
    x = 63,221.58

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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.