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Finding the Fourth Proportional to 207,186.56, 285,836.48 and 116,521.73

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Solution

The fourth proportional to 207,186.56, 285,836.48 and 116,521.73 is: 160,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,186.56 : 285,836.48 = 116,521.73 : x
  2. Step 2: Convert to fraction form
    207,186.56/285,836.48 = 116,521.73/x
  3. Step 3: Cross multiply
    207,186.56x = 285,836.48 × 116,521.73
  4. Step 4: Simplify right side
    207,186.56x = 33,306,161,146.71
  5. Step 5: Solve for x
    x = 33,306,161,146.71/207,186.56
  6. Step 6: Final answer
    x = 160,754.45

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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.