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Finding the Fourth Proportional to 181,847.49, 250,931.52 and 101,282.49

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Solution

The fourth proportional to 181,847.49, 250,931.52 and 101,282.49 is: 139,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,847.49 : 250,931.52 = 101,282.49 : x
  2. Step 2: Convert to fraction form
    181,847.49/250,931.52 = 101,282.49/x
  3. Step 3: Cross multiply
    181,847.49x = 250,931.52 × 101,282.49
  4. Step 4: Simplify right side
    181,847.49x = 25,414,969,165.08
  5. Step 5: Solve for x
    x = 25,414,969,165.08/181,847.49
  6. Step 6: Final answer
    x = 139,759.80

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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.