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Finding the Fourth Proportional to 93,489.31, 140,295.39 and 34,325.56

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Solution

The fourth proportional to 93,489.31, 140,295.39 and 34,325.56 is: 51,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,489.31 : 140,295.39 = 34,325.56 : x
  2. Step 2: Convert to fraction form
    93,489.31/140,295.39 = 34,325.56/x
  3. Step 3: Cross multiply
    93,489.31x = 140,295.39 × 34,325.56
  4. Step 4: Simplify right side
    93,489.31x = 4,815,717,827.17
  5. Step 5: Solve for x
    x = 4,815,717,827.17/93,489.31
  6. Step 6: Final answer
    x = 51,510.89

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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.