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Finding the Fourth Proportional to 363,139.19, 544,796.26 and 113,821.19

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Solution

The fourth proportional to 363,139.19, 544,796.26 and 113,821.19 is: 170,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,139.19 : 544,796.26 = 113,821.19 : x
  2. Step 2: Convert to fraction form
    363,139.19/544,796.26 = 113,821.19/x
  3. Step 3: Cross multiply
    363,139.19x = 544,796.26 × 113,821.19
  4. Step 4: Simplify right side
    363,139.19x = 62,009,358,620.75
  5. Step 5: Solve for x
    x = 62,009,358,620.75/363,139.19
  6. Step 6: Final answer
    x = 170,759.20

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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.