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Finding the Fourth Proportional to 73,808.72, 110,609.40 and 55,353.68

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Solution

The fourth proportional to 73,808.72, 110,609.40 and 55,353.68 is: 82,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,808.72 : 110,609.40 = 55,353.68 : x
  2. Step 2: Convert to fraction form
    73,808.72/110,609.40 = 55,353.68/x
  3. Step 3: Cross multiply
    73,808.72x = 110,609.40 × 55,353.68
  4. Step 4: Simplify right side
    73,808.72x = 6,122,637,332.59
  5. Step 5: Solve for x
    x = 6,122,637,332.59/73,808.72
  6. Step 6: Final answer
    x = 82,952.76

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1.5x scale

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.