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Finding the Fourth Proportional to 73,404.20, 110,106.29 and 31,851.20

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Solution

The fourth proportional to 73,404.20, 110,106.29 and 31,851.20 is: 47,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,404.20 : 110,106.29 = 31,851.20 : x
  2. Step 2: Convert to fraction form
    73,404.20/110,106.29 = 31,851.20/x
  3. Step 3: Cross multiply
    73,404.20x = 110,106.29 × 31,851.20
  4. Step 4: Simplify right side
    73,404.20x = 3,507,016,754.26
  5. Step 5: Solve for x
    x = 3,507,016,754.26/73,404.20
  6. Step 6: Final answer
    x = 47,776.79

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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.