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Finding the Fourth Proportional to 140,550.49, 210,894.99 and 65,675.81

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Solution

The fourth proportional to 140,550.49, 210,894.99 and 65,675.81 is: 98,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550.49 : 210,894.99 = 65,675.81 : x
  2. Step 2: Convert to fraction form
    140,550.49/210,894.99 = 65,675.81/x
  3. Step 3: Cross multiply
    140,550.49x = 210,894.99 × 65,675.81
  4. Step 4: Simplify right side
    140,550.49x = 13,850,697,910.34
  5. Step 5: Solve for x
    x = 13,850,697,910.34/140,550.49
  6. Step 6: Final answer
    x = 98,546.07

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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.