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Finding the Fourth Proportional to 181,447.66, 250,383.58 and 100,870.28

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Solution

The fourth proportional to 181,447.66, 250,383.58 and 100,870.28 is: 139,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,447.66 : 250,383.58 = 100,870.28 : x
  2. Step 2: Convert to fraction form
    181,447.66/250,383.58 = 100,870.28/x
  3. Step 3: Cross multiply
    181,447.66x = 250,383.58 × 100,870.28
  4. Step 4: Simplify right side
    181,447.66x = 25,256,260,065.73
  5. Step 5: Solve for x
    x = 25,256,260,065.73/181,447.66
  6. Step 6: Final answer
    x = 139,193.09

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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.