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Finding the Fourth Proportional to 182,008.31, 251,171.84 and 101,434.20

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Solution

The fourth proportional to 182,008.31, 251,171.84 and 101,434.20 is: 139,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,008.31 : 251,171.84 = 101,434.20 : x
  2. Step 2: Convert to fraction form
    182,008.31/251,171.84 = 101,434.20/x
  3. Step 3: Cross multiply
    182,008.31x = 251,171.84 × 101,434.20
  4. Step 4: Simplify right side
    182,008.31x = 25,477,414,145.76
  5. Step 5: Solve for x
    x = 25,477,414,145.76/182,008.31
  6. Step 6: Final answer
    x = 139,979.40

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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.