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Finding the Fourth Proportional to 70,992.32, 106,489.38 and 23,607.41

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Solution

The fourth proportional to 70,992.32, 106,489.38 and 23,607.41 is: 35,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,992.32 : 106,489.38 = 23,607.41 : x
  2. Step 2: Convert to fraction form
    70,992.32/106,489.38 = 23,607.41/x
  3. Step 3: Cross multiply
    70,992.32x = 106,489.38 × 23,607.41
  4. Step 4: Simplify right side
    70,992.32x = 2,513,937,921.86
  5. Step 5: Solve for x
    x = 2,513,937,921.86/70,992.32
  6. Step 6: Final answer
    x = 35,411.41

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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.