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Finding the Fourth Proportional to 48,746.89, 73,223.90 and 45,902.86

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Solution

The fourth proportional to 48,746.89, 73,223.90 and 45,902.86 is: 68,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,746.89 : 73,223.90 = 45,902.86 : x
  2. Step 2: Convert to fraction form
    48,746.89/73,223.90 = 45,902.86/x
  3. Step 3: Cross multiply
    48,746.89x = 73,223.90 × 45,902.86
  4. Step 4: Simplify right side
    48,746.89x = 3,361,186,200.84
  5. Step 5: Solve for x
    x = 3,361,186,200.84/48,746.89
  6. Step 6: Final answer
    x = 68,951.81

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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.