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Finding the Fourth Proportional to 207,034.88, 285,718.27 and 116,419.37

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Solution

The fourth proportional to 207,034.88, 285,718.27 and 116,419.37 is: 160,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,034.88 : 285,718.27 = 116,419.37 : x
  2. Step 2: Convert to fraction form
    207,034.88/285,718.27 = 116,419.37/x
  3. Step 3: Cross multiply
    207,034.88x = 285,718.27 × 116,419.37
  4. Step 4: Simplify right side
    207,034.88x = 33,263,140,990.89
  5. Step 5: Solve for x
    x = 33,263,140,990.89/207,034.88
  6. Step 6: Final answer
    x = 160,664.43

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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.