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Finding the Fourth Proportional to 207,093.66, 310,185.15 and 171,147.57

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Solution

The fourth proportional to 207,093.66, 310,185.15 and 171,147.57 is: 256,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,093.66 : 310,185.15 = 171,147.57 : x
  2. Step 2: Convert to fraction form
    207,093.66/310,185.15 = 171,147.57/x
  3. Step 3: Cross multiply
    207,093.66x = 310,185.15 × 171,147.57
  4. Step 4: Simplify right side
    207,093.66x = 53,087,434,672.59
  5. Step 5: Solve for x
    x = 53,087,434,672.59/207,093.66
  6. Step 6: Final answer
    x = 256,345.05

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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.