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Finding the Fourth Proportional to 230,808.42, 346,257.45 and 88,643.25

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Solution

The fourth proportional to 230,808.42, 346,257.45 and 88,643.25 is: 132,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,808.42 : 346,257.45 = 88,643.25 : x
  2. Step 2: Convert to fraction form
    230,808.42/346,257.45 = 88,643.25/x
  3. Step 3: Cross multiply
    230,808.42x = 346,257.45 × 88,643.25
  4. Step 4: Simplify right side
    230,808.42x = 30,693,385,704.71
  5. Step 5: Solve for x
    x = 30,693,385,704.71/230,808.42
  6. Step 6: Final answer
    x = 132,982.09

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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.