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Finding the Fourth Proportional to 219,395.82, 329,028.53 and 93,034.20

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Solution

The fourth proportional to 219,395.82, 329,028.53 and 93,034.20 is: 139,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,395.82 : 329,028.53 = 93,034.20 : x
  2. Step 2: Convert to fraction form
    219,395.82/329,028.53 = 93,034.20/x
  3. Step 3: Cross multiply
    219,395.82x = 329,028.53 × 93,034.20
  4. Step 4: Simplify right side
    219,395.82x = 30,610,905,600.56
  5. Step 5: Solve for x
    x = 30,610,905,600.56/219,395.82
  6. Step 6: Final answer
    x = 139,523.65

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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.