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Finding the Fourth Proportional to 185,969.52, 256,639.56 and 101,086.56

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Solution

The fourth proportional to 185,969.52, 256,639.56 and 101,086.56 is: 139,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,969.52 : 256,639.56 = 101,086.56 : x
  2. Step 2: Convert to fraction form
    185,969.52/256,639.56 = 101,086.56/x
  3. Step 3: Cross multiply
    185,969.52x = 256,639.56 × 101,086.56
  4. Step 4: Simplify right side
    185,969.52x = 25,942,810,280.31
  5. Step 5: Solve for x
    x = 25,942,810,280.31/185,969.52
  6. Step 6: Final answer
    x = 139,500.33

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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.