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Finding the Fourth Proportional to 181,967.27, 251,112.29 and 101,398.19

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Solution

The fourth proportional to 181,967.27, 251,112.29 and 101,398.19 is: 139,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,967.27 : 251,112.29 = 101,398.19 : x
  2. Step 2: Convert to fraction form
    181,967.27/251,112.29 = 101,398.19/x
  3. Step 3: Cross multiply
    181,967.27x = 251,112.29 × 101,398.19
  4. Step 4: Simplify right side
    181,967.27x = 25,462,329,930.20
  5. Step 5: Solve for x
    x = 25,462,329,930.20/181,967.27
  6. Step 6: Final answer
    x = 139,928.08

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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.