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Finding the Fourth Proportional to 207,195.66, 285,955.30 and 116,555.44

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Solution

The fourth proportional to 207,195.66, 285,955.30 and 116,555.44 is: 160,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,195.66 : 285,955.30 = 116,555.44 : x
  2. Step 2: Convert to fraction form
    207,195.66/285,955.30 = 116,555.44/x
  3. Step 3: Cross multiply
    207,195.66x = 285,955.30 × 116,555.44
  4. Step 4: Simplify right side
    207,195.66x = 33,329,645,811.83
  5. Step 5: Solve for x
    x = 33,329,645,811.83/207,195.66
  6. Step 6: Final answer
    x = 160,860.74

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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.