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Finding the Fourth Proportional to 185,833.53, 256,470.75 and 104,169.60

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Solution

The fourth proportional to 185,833.53, 256,470.75 and 104,169.60 is: 143,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,833.53 : 256,470.75 = 104,169.60 : x
  2. Step 2: Convert to fraction form
    185,833.53/256,470.75 = 104,169.60/x
  3. Step 3: Cross multiply
    185,833.53x = 256,470.75 × 104,169.60
  4. Step 4: Simplify right side
    185,833.53x = 26,716,455,439.20
  5. Step 5: Solve for x
    x = 26,716,455,439.20/185,833.53
  6. Step 6: Final answer
    x = 143,765.53

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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.