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Finding the Fourth Proportional to 175,910.40, 263,368.80 and 136,922.40

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Solution

The fourth proportional to 175,910.40, 263,368.80 and 136,922.40 is: 204,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,910.40 : 263,368.80 = 136,922.40 : x
  2. Step 2: Convert to fraction form
    175,910.40/263,368.80 = 136,922.40/x
  3. Step 3: Cross multiply
    175,910.40x = 263,368.80 × 136,922.40
  4. Step 4: Simplify right side
    175,910.40x = 36,061,088,181.12
  5. Step 5: Solve for x
    x = 36,061,088,181.12/175,910.40
  6. Step 6: Final answer
    x = 204,996.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.