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Finding the Fourth Proportional to 140,671.88, 211,006.90 and 35,490.95

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Solution

The fourth proportional to 140,671.88, 211,006.90 and 35,490.95 is: 53,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,671.88 : 211,006.90 = 35,490.95 : x
  2. Step 2: Convert to fraction form
    140,671.88/211,006.90 = 35,490.95/x
  3. Step 3: Cross multiply
    140,671.88x = 211,006.90 × 35,490.95
  4. Step 4: Simplify right side
    140,671.88x = 7,488,835,337.56
  5. Step 5: Solve for x
    x = 7,488,835,337.56/140,671.88
  6. Step 6: Final answer
    x = 53,236.19

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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.