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Finding the Fourth Proportional to 219,742.58, 329,688.58 and 93,377.72

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Solution

The fourth proportional to 219,742.58, 329,688.58 and 93,377.72 is: 140,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742.58 : 329,688.58 = 93,377.72 : x
  2. Step 2: Convert to fraction form
    219,742.58/329,688.58 = 93,377.72/x
  3. Step 3: Cross multiply
    219,742.58x = 329,688.58 × 93,377.72
  4. Step 4: Simplify right side
    219,742.58x = 30,785,567,910.44
  5. Step 5: Solve for x
    x = 30,785,567,910.44/219,742.58
  6. Step 6: Final answer
    x = 140,098.33

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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.