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Finding the Fourth Proportional to 248,992.68, 373,432.14 and 71,498.28

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Solution

The fourth proportional to 248,992.68, 373,432.14 and 71,498.28 is: 107,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,992.68 : 373,432.14 = 71,498.28 : x
  2. Step 2: Convert to fraction form
    248,992.68/373,432.14 = 71,498.28/x
  3. Step 3: Cross multiply
    248,992.68x = 373,432.14 × 71,498.28
  4. Step 4: Simplify right side
    248,992.68x = 26,699,755,706.72
  5. Step 5: Solve for x
    x = 26,699,755,706.72/248,992.68
  6. Step 6: Final answer
    x = 107,231.09

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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.