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Finding the Fourth Proportional to 181,230.02, 250,097.40 and 100,665.02

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Solution

The fourth proportional to 181,230.02, 250,097.40 and 100,665.02 is: 138,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,230.02 : 250,097.40 = 100,665.02 : x
  2. Step 2: Convert to fraction form
    181,230.02/250,097.40 = 100,665.02/x
  3. Step 3: Cross multiply
    181,230.02x = 250,097.40 × 100,665.02
  4. Step 4: Simplify right side
    181,230.02x = 25,176,059,772.95
  5. Step 5: Solve for x
    x = 25,176,059,772.95/181,230.02
  6. Step 6: Final answer
    x = 138,917.71

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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.