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Finding the Fourth Proportional to 181,402.30, 250,324.45 and 100,827.06

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Solution

The fourth proportional to 181,402.30, 250,324.45 and 100,827.06 is: 139,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.30 : 250,324.45 = 100,827.06 : x
  2. Step 2: Convert to fraction form
    181,402.30/250,324.45 = 100,827.06/x
  3. Step 3: Cross multiply
    181,402.30x = 250,324.45 × 100,827.06
  4. Step 4: Simplify right side
    181,402.30x = 25,239,478,339.62
  5. Step 5: Solve for x
    x = 25,239,478,339.62/181,402.30
  6. Step 6: Final answer
    x = 139,135.38

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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.