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Finding the Fourth Proportional to 256,092.48, 353,260.17 and 148,648.68

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Solution

The fourth proportional to 256,092.48, 353,260.17 and 148,648.68 is: 205,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,092.48 : 353,260.17 = 148,648.68 : x
  2. Step 2: Convert to fraction form
    256,092.48/353,260.17 = 148,648.68/x
  3. Step 3: Cross multiply
    256,092.48x = 353,260.17 × 148,648.68
  4. Step 4: Simplify right side
    256,092.48x = 52,511,657,967.08
  5. Step 5: Solve for x
    x = 52,511,657,967.08/256,092.48
  6. Step 6: Final answer
    x = 205,049.59

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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.