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Finding the Fourth Proportional to 61,204.19, 91,797.63 and 19,645.79

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Solution

The fourth proportional to 61,204.19, 91,797.63 and 19,645.79 is: 29,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204.19 : 91,797.63 = 19,645.79 : x
  2. Step 2: Convert to fraction form
    61,204.19/91,797.63 = 19,645.79/x
  3. Step 3: Cross multiply
    61,204.19x = 91,797.63 × 19,645.79
  4. Step 4: Simplify right side
    61,204.19x = 1,803,436,961.48
  5. Step 5: Solve for x
    x = 1,803,436,961.48/61,204.19
  6. Step 6: Final answer
    x = 29,465.91

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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.