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Finding the Fourth Proportional to 230,987.45, 346,493.59 and 73,228.20

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Solution

The fourth proportional to 230,987.45, 346,493.59 and 73,228.20 is: 109,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,987.45 : 346,493.59 = 73,228.20 : x
  2. Step 2: Convert to fraction form
    230,987.45/346,493.59 = 73,228.20/x
  3. Step 3: Cross multiply
    230,987.45x = 346,493.59 × 73,228.20
  4. Step 4: Simplify right side
    230,987.45x = 25,373,102,956.54
  5. Step 5: Solve for x
    x = 25,373,102,956.54/230,987.45
  6. Step 6: Final answer
    x = 109,846.24

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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.