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Finding the Fourth Proportional to 181,402.80, 250,325.14 and 100,827.56

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Solution

The fourth proportional to 181,402.80, 250,325.14 and 100,827.56 is: 139,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.80 : 250,325.14 = 100,827.56 : x
  2. Step 2: Convert to fraction form
    181,402.80/250,325.14 = 100,827.56/x
  3. Step 3: Cross multiply
    181,402.80x = 250,325.14 × 100,827.56
  4. Step 4: Simplify right side
    181,402.80x = 25,239,673,072.86
  5. Step 5: Solve for x
    x = 25,239,673,072.86/181,402.80
  6. Step 6: Final answer
    x = 139,136.07

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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.