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Finding the Fourth Proportional to 181,560.70, 250,550.16 and 100,986.49

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Solution

The fourth proportional to 181,560.70, 250,550.16 and 100,986.49 is: 139,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,560.70 : 250,550.16 = 100,986.49 : x
  2. Step 2: Convert to fraction form
    181,560.70/250,550.16 = 100,986.49/x
  3. Step 3: Cross multiply
    181,560.70x = 250,550.16 × 100,986.49
  4. Step 4: Simplify right side
    181,560.70x = 25,302,181,227.34
  5. Step 5: Solve for x
    x = 25,302,181,227.34/181,560.70
  6. Step 6: Final answer
    x = 139,359.35

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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.