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Finding the Fourth Proportional to 185,654.56, 256,203.60 and 100,771.60

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Solution

The fourth proportional to 185,654.56, 256,203.60 and 100,771.60 is: 139,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654.56 : 256,203.60 = 100,771.60 : x
  2. Step 2: Convert to fraction form
    185,654.56/256,203.60 = 100,771.60/x
  3. Step 3: Cross multiply
    185,654.56x = 256,203.60 × 100,771.60
  4. Step 4: Simplify right side
    185,654.56x = 25,818,046,697.76
  5. Step 5: Solve for x
    x = 25,818,046,697.76/185,654.56
  6. Step 6: Final answer
    x = 139,064.97

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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.