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Finding the Fourth Proportional to 140,625.37, 211,005.19 and 65,734.63

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Solution

The fourth proportional to 140,625.37, 211,005.19 and 65,734.63 is: 98,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.37 : 211,005.19 = 65,734.63 : x
  2. Step 2: Convert to fraction form
    140,625.37/211,005.19 = 65,734.63/x
  3. Step 3: Cross multiply
    140,625.37x = 211,005.19 × 65,734.63
  4. Step 4: Simplify right side
    140,625.37x = 13,870,348,425.72
  5. Step 5: Solve for x
    x = 13,870,348,425.72/140,625.37
  6. Step 6: Final answer
    x = 98,633.33

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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.