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Finding the Fourth Proportional to 116,800.61, 160,837.09 and 108,323.15

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Solution

The fourth proportional to 116,800.61, 160,837.09 and 108,323.15 is: 149,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,800.61 : 160,837.09 = 108,323.15 : x
  2. Step 2: Convert to fraction form
    116,800.61/160,837.09 = 108,323.15/x
  3. Step 3: Cross multiply
    116,800.61x = 160,837.09 × 108,323.15
  4. Step 4: Simplify right side
    116,800.61x = 17,422,380,212.31
  5. Step 5: Solve for x
    x = 17,422,380,212.31/116,800.61
  6. Step 6: Final answer
    x = 149,163.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.