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Finding the Fourth Proportional to 65,465.57, 98,247.79 and 52,474.79

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Solution

The fourth proportional to 65,465.57, 98,247.79 and 52,474.79 is: 78,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,465.57 : 98,247.79 = 52,474.79 : x
  2. Step 2: Convert to fraction form
    65,465.57/98,247.79 = 52,474.79/x
  3. Step 3: Cross multiply
    65,465.57x = 98,247.79 × 52,474.79
  4. Step 4: Simplify right side
    65,465.57x = 5,155,531,611.61
  5. Step 5: Solve for x
    x = 5,155,531,611.61/65,465.57
  6. Step 6: Final answer
    x = 78,751.81

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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.