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Finding the Fourth Proportional to 140,755.73, 211,134.96 and 35,574.71

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Solution

The fourth proportional to 140,755.73, 211,134.96 and 35,574.71 is: 53,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,755.73 : 211,134.96 = 35,574.71 : x
  2. Step 2: Convert to fraction form
    140,755.73/211,134.96 = 35,574.71/x
  3. Step 3: Cross multiply
    140,755.73x = 211,134.96 × 35,574.71
  4. Step 4: Simplify right side
    140,755.73x = 7,511,064,972.86
  5. Step 5: Solve for x
    x = 7,511,064,972.86/140,755.73
  6. Step 6: Final answer
    x = 53,362.41

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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.