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Finding the Fourth Proportional to 181,901.11, 250,990.21 and 101,326.63

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Solution

The fourth proportional to 181,901.11, 250,990.21 and 101,326.63 is: 139,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,901.11 : 250,990.21 = 101,326.63 : x
  2. Step 2: Convert to fraction form
    181,901.11/250,990.21 = 101,326.63/x
  3. Step 3: Cross multiply
    181,901.11x = 250,990.21 × 101,326.63
  4. Step 4: Simplify right side
    181,901.11x = 25,431,992,142.29
  5. Step 5: Solve for x
    x = 25,431,992,142.29/181,901.11
  6. Step 6: Final answer
    x = 139,812.19

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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.