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Finding the Fourth Proportional to 93,638.76, 140,472.12 and 34,469.94

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Solution

The fourth proportional to 93,638.76, 140,472.12 and 34,469.94 is: 51,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.76 : 140,472.12 = 34,469.94 : x
  2. Step 2: Convert to fraction form
    93,638.76/140,472.12 = 34,469.94/x
  3. Step 3: Cross multiply
    93,638.76x = 140,472.12 × 34,469.94
  4. Step 4: Simplify right side
    93,638.76x = 4,842,065,548.07
  5. Step 5: Solve for x
    x = 4,842,065,548.07/93,638.76
  6. Step 6: Final answer
    x = 51,710.06

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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.