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Finding the Fourth Proportional to 185,648.01, 256,194.75 and 100,765.07

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Solution

The fourth proportional to 185,648.01, 256,194.75 and 100,765.07 is: 139,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,648.01 : 256,194.75 = 100,765.07 : x
  2. Step 2: Convert to fraction form
    185,648.01/256,194.75 = 100,765.07/x
  3. Step 3: Cross multiply
    185,648.01x = 256,194.75 × 100,765.07
  4. Step 4: Simplify right side
    185,648.01x = 25,815,481,917.38
  5. Step 5: Solve for x
    x = 25,815,481,917.38/185,648.01
  6. Step 6: Final answer
    x = 139,056.07

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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.