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Finding the Fourth Proportional to 185,632.80, 256,174.02 and 100,749.96

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Solution

The fourth proportional to 185,632.80, 256,174.02 and 100,749.96 is: 139,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.80 : 256,174.02 = 100,749.96 : x
  2. Step 2: Convert to fraction form
    185,632.80/256,174.02 = 100,749.96/x
  3. Step 3: Cross multiply
    185,632.80x = 256,174.02 × 100,749.96
  4. Step 4: Simplify right side
    185,632.80x = 25,809,522,268.04
  5. Step 5: Solve for x
    x = 25,809,522,268.04/185,632.80
  6. Step 6: Final answer
    x = 139,035.36

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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.