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Finding the Fourth Proportional to 248,105.57, 372,113.72 and 65,737.60

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Solution

The fourth proportional to 248,105.57, 372,113.72 and 65,737.60 is: 98,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,105.57 : 372,113.72 = 65,737.60 : x
  2. Step 2: Convert to fraction form
    248,105.57/372,113.72 = 65,737.60/x
  3. Step 3: Cross multiply
    248,105.57x = 372,113.72 × 65,737.60
  4. Step 4: Simplify right side
    248,105.57x = 24,461,861,867.42
  5. Step 5: Solve for x
    x = 24,461,861,867.42/248,105.57
  6. Step 6: Final answer
    x = 98,594.57

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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.