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Finding the Fourth Proportional to 135,074.80, 203,360.18 and 119,370

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Solution

The fourth proportional to 135,074.80, 203,360.18 and 119,370 is: 179,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,074.80 : 203,360.18 = 119,370 : x
  2. Step 2: Convert to fraction form
    135,074.80/203,360.18 = 119,370/x
  3. Step 3: Cross multiply
    135,074.80x = 203,360.18 × 119,370
  4. Step 4: Simplify right side
    135,074.80x = 24,275,104,686.60
  5. Step 5: Solve for x
    x = 24,275,104,686.60/135,074.80
  6. Step 6: Final answer
    x = 179,716.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.