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Finding the Fourth Proportional to 70,392.17, 105,622.95 and 32,954.78

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Solution

The fourth proportional to 70,392.17, 105,622.95 and 32,954.78 is: 49,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392.17 : 105,622.95 = 32,954.78 : x
  2. Step 2: Convert to fraction form
    70,392.17/105,622.95 = 32,954.78/x
  3. Step 3: Cross multiply
    70,392.17x = 105,622.95 × 32,954.78
  4. Step 4: Simplify right side
    70,392.17x = 3,480,781,080.20
  5. Step 5: Solve for x
    x = 3,480,781,080.20/70,392.17
  6. Step 6: Final answer
    x = 49,448.41

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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.