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Finding the Fourth Proportional to 250,712.73, 376,078.10 and 82,237.05

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Solution

The fourth proportional to 250,712.73, 376,078.10 and 82,237.05 is: 123,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,712.73 : 376,078.10 = 82,237.05 : x
  2. Step 2: Convert to fraction form
    250,712.73/376,078.10 = 82,237.05/x
  3. Step 3: Cross multiply
    250,712.73x = 376,078.10 × 82,237.05
  4. Step 4: Simplify right side
    250,712.73x = 30,927,553,102.42
  5. Step 5: Solve for x
    x = 30,927,553,102.42/250,712.73
  6. Step 6: Final answer
    x = 123,358.53

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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.