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Finding the Fourth Proportional to 182,273.19, 251,531.12 and 99,484.00

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Solution

The fourth proportional to 182,273.19, 251,531.12 and 99,484.00 is: 137,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,273.19 : 251,531.12 = 99,484.00 : x
  2. Step 2: Convert to fraction form
    182,273.19/251,531.12 = 99,484.00/x
  3. Step 3: Cross multiply
    182,273.19x = 251,531.12 × 99,484.00
  4. Step 4: Simplify right side
    182,273.19x = 25,023,321,561.96
  5. Step 5: Solve for x
    x = 25,023,321,561.96/182,273.19
  6. Step 6: Final answer
    x = 137,284.71

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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.