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Finding the Fourth Proportional to 219,570.80, 329,356.32 and 61,799.25

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Solution

The fourth proportional to 219,570.80, 329,356.32 and 61,799.25 is: 92,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,570.80 : 329,356.32 = 61,799.25 : x
  2. Step 2: Convert to fraction form
    219,570.80/329,356.32 = 61,799.25/x
  3. Step 3: Cross multiply
    219,570.80x = 329,356.32 × 61,799.25
  4. Step 4: Simplify right side
    219,570.80x = 20,353,973,558.76
  5. Step 5: Solve for x
    x = 20,353,973,558.76/219,570.80
  6. Step 6: Final answer
    x = 92,698.91

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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.