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Finding the Fourth Proportional to 248,800, 373,258.32 and 82,588

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Solution

The fourth proportional to 248,800, 373,258.32 and 82,588 is: 123,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,800 : 373,258.32 = 82,588 : x
  2. Step 2: Convert to fraction form
    248,800/373,258.32 = 82,588/x
  3. Step 3: Cross multiply
    248,800x = 373,258.32 × 82,588
  4. Step 4: Simplify right side
    248,800x = 30,826,658,132.16
  5. Step 5: Solve for x
    x = 30,826,658,132.16/248,800
  6. Step 6: Final answer
    x = 123,901.36

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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.