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Finding the Fourth Proportional to 219,608.04, 329,417.52 and 61,835.42

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Solution

The fourth proportional to 219,608.04, 329,417.52 and 61,835.42 is: 92,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,608.04 : 329,417.52 = 61,835.42 : x
  2. Step 2: Convert to fraction form
    219,608.04/329,417.52 = 61,835.42/x
  3. Step 3: Cross multiply
    219,608.04x = 329,417.52 × 61,835.42
  4. Step 4: Simplify right side
    219,608.04x = 20,369,670,704.56
  5. Step 5: Solve for x
    x = 20,369,670,704.56/219,608.04
  6. Step 6: Final answer
    x = 92,754.67

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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.