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Finding the Fourth Proportional to 169,896.55, 234,452.23 and 93,415.75

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Solution

The fourth proportional to 169,896.55, 234,452.23 and 93,415.75 is: 128,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,896.55 : 234,452.23 = 93,415.75 : x
  2. Step 2: Convert to fraction form
    169,896.55/234,452.23 = 93,415.75/x
  3. Step 3: Cross multiply
    169,896.55x = 234,452.23 × 93,415.75
  4. Step 4: Simplify right side
    169,896.55x = 21,901,530,904.62
  5. Step 5: Solve for x
    x = 21,901,530,904.62/169,896.55
  6. Step 6: Final answer
    x = 128,910.98

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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.