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Finding the Fourth Proportional to 70,487.63, 105,753.36 and 23,103.14

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Solution

The fourth proportional to 70,487.63, 105,753.36 and 23,103.14 is: 34,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.63 : 105,753.36 = 23,103.14 : x
  2. Step 2: Convert to fraction form
    70,487.63/105,753.36 = 23,103.14/x
  3. Step 3: Cross multiply
    70,487.63x = 105,753.36 × 23,103.14
  4. Step 4: Simplify right side
    70,487.63x = 2,443,234,834.28
  5. Step 5: Solve for x
    x = 2,443,234,834.28/70,487.63
  6. Step 6: Final answer
    x = 34,661.89

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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.