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Finding the Fourth Proportional to 170,216.28, 234,896.64 and 93,733.92

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Solution

The fourth proportional to 170,216.28, 234,896.64 and 93,733.92 is: 129,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,216.28 : 234,896.64 = 93,733.92 : x
  2. Step 2: Convert to fraction form
    170,216.28/234,896.64 = 93,733.92/x
  3. Step 3: Cross multiply
    170,216.28x = 234,896.64 × 93,733.92
  4. Step 4: Simplify right side
    170,216.28x = 22,017,782,862.03
  5. Step 5: Solve for x
    x = 22,017,782,862.03/170,216.28
  6. Step 6: Final answer
    x = 129,351.80

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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.