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Finding the Fourth Proportional to 242,850.80, 335,093.82 and 135,417.80

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Solution

The fourth proportional to 242,850.80, 335,093.82 and 135,417.80 is: 186,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,850.80 : 335,093.82 = 135,417.80 : x
  2. Step 2: Convert to fraction form
    242,850.80/335,093.82 = 135,417.80/x
  3. Step 3: Cross multiply
    242,850.80x = 335,093.82 × 135,417.80
  4. Step 4: Simplify right side
    242,850.80x = 45,377,667,898.00
  5. Step 5: Solve for x
    x = 45,377,667,898.00/242,850.80
  6. Step 6: Final answer
    x = 186,854.10

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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.