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Finding the Fourth Proportional to 70,734.63, 106,079.44 and 23,340.89

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Solution

The fourth proportional to 70,734.63, 106,079.44 and 23,340.89 is: 35,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.63 : 106,079.44 = 23,340.89 : x
  2. Step 2: Convert to fraction form
    70,734.63/106,079.44 = 23,340.89/x
  3. Step 3: Cross multiply
    70,734.63x = 106,079.44 × 23,340.89
  4. Step 4: Simplify right side
    70,734.63x = 2,475,988,275.10
  5. Step 5: Solve for x
    x = 2,475,988,275.10/70,734.63
  6. Step 6: Final answer
    x = 35,003.90

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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.