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Finding the Fourth Proportional to 181,265.30, 250,145.98 and 100,700.34

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Solution

The fourth proportional to 181,265.30, 250,145.98 and 100,700.34 is: 138,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,265.30 : 250,145.98 = 100,700.34 : x
  2. Step 2: Convert to fraction form
    181,265.30/250,145.98 = 100,700.34/x
  3. Step 3: Cross multiply
    181,265.30x = 250,145.98 × 100,700.34
  4. Step 4: Simplify right side
    181,265.30x = 25,189,785,235.63
  5. Step 5: Solve for x
    x = 25,189,785,235.63/181,265.30
  6. Step 6: Final answer
    x = 138,966.39

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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.