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Finding the Fourth Proportional to 256,593.07, 354,011.61 and 166,063.42

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Solution

The fourth proportional to 256,593.07, 354,011.61 and 166,063.42 is: 229,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,593.07 : 354,011.61 = 166,063.42 : x
  2. Step 2: Convert to fraction form
    256,593.07/354,011.61 = 166,063.42/x
  3. Step 3: Cross multiply
    256,593.07x = 354,011.61 × 166,063.42
  4. Step 4: Simplify right side
    256,593.07x = 58,788,378,676.31
  5. Step 5: Solve for x
    x = 58,788,378,676.31/256,593.07
  6. Step 6: Final answer
    x = 229,111.33

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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.