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Finding the Fourth Proportional to 219,536.34, 329,304.52 and 61,764.72

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Solution

The fourth proportional to 219,536.34, 329,304.52 and 61,764.72 is: 92,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,536.34 : 329,304.52 = 61,764.72 : x
  2. Step 2: Convert to fraction form
    219,536.34/329,304.52 = 61,764.72/x
  3. Step 3: Cross multiply
    219,536.34x = 329,304.52 × 61,764.72
  4. Step 4: Simplify right side
    219,536.34x = 20,339,401,472.53
  5. Step 5: Solve for x
    x = 20,339,401,472.53/219,536.34
  6. Step 6: Final answer
    x = 92,647.08

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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.