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Finding the Fourth Proportional to 140,550.74, 210,895.36 and 65,676.06

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Solution

The fourth proportional to 140,550.74, 210,895.36 and 65,676.06 is: 98,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550.74 : 210,895.36 = 65,676.06 : x
  2. Step 2: Convert to fraction form
    140,550.74/210,895.36 = 65,676.06/x
  3. Step 3: Cross multiply
    140,550.74x = 210,895.36 × 65,676.06
  4. Step 4: Simplify right side
    140,550.74x = 13,850,775,262.60
  5. Step 5: Solve for x
    x = 13,850,775,262.60/140,550.74
  6. Step 6: Final answer
    x = 98,546.44

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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.