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Finding the Fourth Proportional to 181,248.16, 250,119.12 and 100,672.48

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Solution

The fourth proportional to 181,248.16, 250,119.12 and 100,672.48 is: 138,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,248.16 : 250,119.12 = 100,672.48 : x
  2. Step 2: Convert to fraction form
    181,248.16/250,119.12 = 100,672.48/x
  3. Step 3: Cross multiply
    181,248.16x = 250,119.12 × 100,672.48
  4. Step 4: Simplify right side
    181,248.16x = 25,180,112,105.82
  5. Step 5: Solve for x
    x = 25,180,112,105.82/181,248.16
  6. Step 6: Final answer
    x = 138,926.17

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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.