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Finding the Fourth Proportional to 363,187.56, 544,781.34 and 113,889

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Solution

The fourth proportional to 363,187.56, 544,781.34 and 113,889 is: 170,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,187.56 : 544,781.34 = 113,889 : x
  2. Step 2: Convert to fraction form
    363,187.56/544,781.34 = 113,889/x
  3. Step 3: Cross multiply
    363,187.56x = 544,781.34 × 113,889
  4. Step 4: Simplify right side
    363,187.56x = 62,044,602,031.26
  5. Step 5: Solve for x
    x = 62,044,602,031.26/363,187.56
  6. Step 6: Final answer
    x = 170,833.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.