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Finding the Fourth Proportional to 205,081.70, 307,622.55 and 94,273.70

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Solution

The fourth proportional to 205,081.70, 307,622.55 and 94,273.70 is: 141,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,081.70 : 307,622.55 = 94,273.70 : x
  2. Step 2: Convert to fraction form
    205,081.70/307,622.55 = 94,273.70/x
  3. Step 3: Cross multiply
    205,081.70x = 307,622.55 × 94,273.70
  4. Step 4: Simplify right side
    205,081.70x = 29,000,715,991.94
  5. Step 5: Solve for x
    x = 29,000,715,991.94/205,081.70
  6. Step 6: Final answer
    x = 141,410.55

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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.