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Finding the Fourth Proportional to 248,776.92, 343,040.84 and 168,064.30

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Solution

The fourth proportional to 248,776.92, 343,040.84 and 168,064.30 is: 231,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,776.92 : 343,040.84 = 168,064.30 : x
  2. Step 2: Convert to fraction form
    248,776.92/343,040.84 = 168,064.30/x
  3. Step 3: Cross multiply
    248,776.92x = 343,040.84 × 168,064.30
  4. Step 4: Simplify right side
    248,776.92x = 57,652,918,864.73
  5. Step 5: Solve for x
    x = 57,652,918,864.73/248,776.92
  6. Step 6: Final answer
    x = 231,745.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.