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Finding the Fourth Proportional to 73,343.67, 110,019.75 and 20,748.75

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Solution

The fourth proportional to 73,343.67, 110,019.75 and 20,748.75 is: 31,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,343.67 : 110,019.75 = 20,748.75 : x
  2. Step 2: Convert to fraction form
    73,343.67/110,019.75 = 20,748.75/x
  3. Step 3: Cross multiply
    73,343.67x = 110,019.75 × 20,748.75
  4. Step 4: Simplify right side
    73,343.67x = 2,282,772,287.81
  5. Step 5: Solve for x
    x = 2,282,772,287.81/73,343.67
  6. Step 6: Final answer
    x = 31,124.33

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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.