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Finding the Fourth Proportional to 185,654.15, 256,195.86 and 100,769.39

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Solution

The fourth proportional to 185,654.15, 256,195.86 and 100,769.39 is: 139,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654.15 : 256,195.86 = 100,769.39 : x
  2. Step 2: Convert to fraction form
    185,654.15/256,195.86 = 100,769.39/x
  3. Step 3: Cross multiply
    185,654.15x = 256,195.86 × 100,769.39
  4. Step 4: Simplify right side
    185,654.15x = 25,816,699,251.75
  5. Step 5: Solve for x
    x = 25,816,699,251.75/185,654.15
  6. Step 6: Final answer
    x = 139,058.03

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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.