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Finding the Fourth Proportional to 73,840.92, 101,900.34 and 40,306.92

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Solution

The fourth proportional to 73,840.92, 101,900.34 and 40,306.92 is: 55,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,840.92 : 101,900.34 = 40,306.92 : x
  2. Step 2: Convert to fraction form
    73,840.92/101,900.34 = 40,306.92/x
  3. Step 3: Cross multiply
    73,840.92x = 101,900.34 × 40,306.92
  4. Step 4: Simplify right side
    73,840.92x = 4,107,288,852.35
  5. Step 5: Solve for x
    x = 4,107,288,852.35/73,840.92
  6. Step 6: Final answer
    x = 55,623.48

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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.