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Finding the Fourth Proportional to 181,201.19, 250,061.02 and 100,636.26

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Solution

The fourth proportional to 181,201.19, 250,061.02 and 100,636.26 is: 138,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.19 : 250,061.02 = 100,636.26 : x
  2. Step 2: Convert to fraction form
    181,201.19/250,061.02 = 100,636.26/x
  3. Step 3: Cross multiply
    181,201.19x = 250,061.02 × 100,636.26
  4. Step 4: Simplify right side
    181,201.19x = 25,165,205,201.34
  5. Step 5: Solve for x
    x = 25,165,205,201.34/181,201.19
  6. Step 6: Final answer
    x = 138,879.92

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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.