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Finding the Fourth Proportional to 181,468.13, 250,426.01 and 101,980.13

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Solution

The fourth proportional to 181,468.13, 250,426.01 and 101,980.13 is: 140,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,468.13 : 250,426.01 = 101,980.13 : x
  2. Step 2: Convert to fraction form
    181,468.13/250,426.01 = 101,980.13/x
  3. Step 3: Cross multiply
    181,468.13x = 250,426.01 × 101,980.13
  4. Step 4: Simplify right side
    181,468.13x = 25,538,476,058.00
  5. Step 5: Solve for x
    x = 25,538,476,058.00/181,468.13
  6. Step 6: Final answer
    x = 140,732.57

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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.