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Finding the Fourth Proportional to 73,760.70, 101,798.91 and 45,074.46

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Solution

The fourth proportional to 73,760.70, 101,798.91 and 45,074.46 is: 62,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,760.70 : 101,798.91 = 45,074.46 : x
  2. Step 2: Convert to fraction form
    73,760.70/101,798.91 = 45,074.46/x
  3. Step 3: Cross multiply
    73,760.70x = 101,798.91 × 45,074.46
  4. Step 4: Simplify right side
    73,760.70x = 4,588,530,896.84
  5. Step 5: Solve for x
    x = 4,588,530,896.84/73,760.70
  6. Step 6: Final answer
    x = 62,208.34

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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.