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Finding the Fourth Proportional to 73,749.44, 101,774.04 and 40,215.44

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Solution

The fourth proportional to 73,749.44, 101,774.04 and 40,215.44 is: 55,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.44 : 101,774.04 = 40,215.44 : x
  2. Step 2: Convert to fraction form
    73,749.44/101,774.04 = 40,215.44/x
  3. Step 3: Cross multiply
    73,749.44x = 101,774.04 × 40,215.44
  4. Step 4: Simplify right side
    73,749.44x = 4,092,887,799.18
  5. Step 5: Solve for x
    x = 4,092,887,799.18/73,749.44
  6. Step 6: Final answer
    x = 55,497.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.