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Finding the Fourth Proportional to 219,788.30, 329,709.15 and 62,016.77

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Solution

The fourth proportional to 219,788.30, 329,709.15 and 62,016.77 is: 93,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,788.30 : 329,709.15 = 62,016.77 : x
  2. Step 2: Convert to fraction form
    219,788.30/329,709.15 = 62,016.77/x
  3. Step 3: Cross multiply
    219,788.30x = 329,709.15 × 62,016.77
  4. Step 4: Simplify right side
    219,788.30x = 20,447,497,346.72
  5. Step 5: Solve for x
    x = 20,447,497,346.72/219,788.30
  6. Step 6: Final answer
    x = 93,032.69

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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.