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Finding the Fourth Proportional to 207,952.70, 311,929.05 and 181,708.70

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Solution

The fourth proportional to 207,952.70, 311,929.05 and 181,708.70 is: 272,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,952.70 : 311,929.05 = 181,708.70 : x
  2. Step 2: Convert to fraction form
    207,952.70/311,929.05 = 181,708.70/x
  3. Step 3: Cross multiply
    207,952.70x = 311,929.05 × 181,708.70
  4. Step 4: Simplify right side
    207,952.70x = 56,680,222,167.74
  5. Step 5: Solve for x
    x = 56,680,222,167.74/207,952.70
  6. Step 6: Final answer
    x = 272,563.05

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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.