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Finding the Fourth Proportional to 207,107.96, 310,163.67 and 118,091.60

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Solution

The fourth proportional to 207,107.96, 310,163.67 and 118,091.60 is: 176,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,107.96 : 310,163.67 = 118,091.60 : x
  2. Step 2: Convert to fraction form
    207,107.96/310,163.67 = 118,091.60/x
  3. Step 3: Cross multiply
    207,107.96x = 310,163.67 × 118,091.60
  4. Step 4: Simplify right side
    207,107.96x = 36,627,722,501.35
  5. Step 5: Solve for x
    x = 36,627,722,501.35/207,107.96
  6. Step 6: Final answer
    x = 176,853.29

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1.5x scale

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.