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Finding the Fourth Proportional to 48,746.64, 73,223.52 and 45,902.61

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Solution

The fourth proportional to 48,746.64, 73,223.52 and 45,902.61 is: 68,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,746.64 : 73,223.52 = 45,902.61 : x
  2. Step 2: Convert to fraction form
    48,746.64/73,223.52 = 45,902.61/x
  3. Step 3: Cross multiply
    48,746.64x = 73,223.52 × 45,902.61
  4. Step 4: Simplify right side
    48,746.64x = 3,361,150,681.39
  5. Step 5: Solve for x
    x = 3,361,150,681.39/48,746.64
  6. Step 6: Final answer
    x = 68,951.43

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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.