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Finding the Fourth Proportional to 202,341.88, 279,219.84 and 111,695.60

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Solution

The fourth proportional to 202,341.88, 279,219.84 and 111,695.60 is: 154,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,341.88 : 279,219.84 = 111,695.60 : x
  2. Step 2: Convert to fraction form
    202,341.88/279,219.84 = 111,695.60/x
  3. Step 3: Cross multiply
    202,341.88x = 279,219.84 × 111,695.60
  4. Step 4: Simplify right side
    202,341.88x = 31,187,627,560.70
  5. Step 5: Solve for x
    x = 31,187,627,560.70/202,341.88
  6. Step 6: Final answer
    x = 154,133.33

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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.