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Finding the Fourth Proportional to 202,552.60, 279,525.51 and 111,910.66

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Solution

The fourth proportional to 202,552.60, 279,525.51 and 111,910.66 is: 154,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,552.60 : 279,525.51 = 111,910.66 : x
  2. Step 2: Convert to fraction form
    202,552.60/279,525.51 = 111,910.66/x
  3. Step 3: Cross multiply
    202,552.60x = 279,525.51 × 111,910.66
  4. Step 4: Simplify right side
    202,552.60x = 31,281,884,310.94
  5. Step 5: Solve for x
    x = 31,281,884,310.94/202,552.60
  6. Step 6: Final answer
    x = 154,438.33

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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.