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Finding the Fourth Proportional to 219,371.90, 328,992.44 and 93,010.14

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Solution

The fourth proportional to 219,371.90, 328,992.44 and 93,010.14 is: 139,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,371.90 : 328,992.44 = 93,010.14 : x
  2. Step 2: Convert to fraction form
    219,371.90/328,992.44 = 93,010.14/x
  3. Step 3: Cross multiply
    219,371.90x = 328,992.44 × 93,010.14
  4. Step 4: Simplify right side
    219,371.90x = 30,599,632,438.29
  5. Step 5: Solve for x
    x = 30,599,632,438.29/219,371.90
  6. Step 6: Final answer
    x = 139,487.48

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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.