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Finding the Fourth Proportional to 103,343.68, 155,011.44 and 29,471.68

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Solution

The fourth proportional to 103,343.68, 155,011.44 and 29,471.68 is: 44,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,343.68 : 155,011.44 = 29,471.68 : x
  2. Step 2: Convert to fraction form
    103,343.68/155,011.44 = 29,471.68/x
  3. Step 3: Cross multiply
    103,343.68x = 155,011.44 × 29,471.68
  4. Step 4: Simplify right side
    103,343.68x = 4,568,447,556.02
  5. Step 5: Solve for x
    x = 4,568,447,556.02/103,343.68
  6. Step 6: Final answer
    x = 44,206.36

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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.