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Finding the Fourth Proportional to 207,228.87, 285,964.11 and 116,588.66

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Solution

The fourth proportional to 207,228.87, 285,964.11 and 116,588.66 is: 160,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,228.87 : 285,964.11 = 116,588.66 : x
  2. Step 2: Convert to fraction form
    207,228.87/285,964.11 = 116,588.66/x
  3. Step 3: Cross multiply
    207,228.87x = 285,964.11 × 116,588.66
  4. Step 4: Simplify right side
    207,228.87x = 33,340,170,963.17
  5. Step 5: Solve for x
    x = 33,340,170,963.17/207,228.87
  6. Step 6: Final answer
    x = 160,885.74

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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.