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Finding the Fourth Proportional to 242,849.80, 335,092.44 and 135,416.80

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Solution

The fourth proportional to 242,849.80, 335,092.44 and 135,416.80 is: 186,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,849.80 : 335,092.44 = 135,416.80 : x
  2. Step 2: Convert to fraction form
    242,849.80/335,092.44 = 135,416.80/x
  3. Step 3: Cross multiply
    242,849.80x = 335,092.44 × 135,416.80
  4. Step 4: Simplify right side
    242,849.80x = 45,377,145,928.99
  5. Step 5: Solve for x
    x = 45,377,145,928.99/242,849.80
  6. Step 6: Final answer
    x = 186,852.72

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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.