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Finding the Fourth Proportional to 70,440.05, 105,664.28 and 23,060.07

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Solution

The fourth proportional to 70,440.05, 105,664.28 and 23,060.07 is: 34,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440.05 : 105,664.28 = 23,060.07 : x
  2. Step 2: Convert to fraction form
    70,440.05/105,664.28 = 23,060.07/x
  3. Step 3: Cross multiply
    70,440.05x = 105,664.28 × 23,060.07
  4. Step 4: Simplify right side
    70,440.05x = 2,436,625,578.00
  5. Step 5: Solve for x
    x = 2,436,625,578.00/70,440.05
  6. Step 6: Final answer
    x = 34,591.48

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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.