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Finding the Fourth Proportional to 207,100.94, 310,454.56 and 132,010.30

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Solution

The fourth proportional to 207,100.94, 310,454.56 and 132,010.30 is: 197,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,100.94 : 310,454.56 = 132,010.30 : x
  2. Step 2: Convert to fraction form
    207,100.94/310,454.56 = 132,010.30/x
  3. Step 3: Cross multiply
    207,100.94x = 310,454.56 × 132,010.30
  4. Step 4: Simplify right side
    207,100.94x = 40,983,199,601.97
  5. Step 5: Solve for x
    x = 40,983,199,601.97/207,100.94
  6. Step 6: Final answer
    x = 197,889.97

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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.