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Finding the Fourth Proportional to 65,318.52, 97,811.60 and 43,064.38

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Solution

The fourth proportional to 65,318.52, 97,811.60 and 43,064.38 is: 64,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,318.52 : 97,811.60 = 43,064.38 : x
  2. Step 2: Convert to fraction form
    65,318.52/97,811.60 = 43,064.38/x
  3. Step 3: Cross multiply
    65,318.52x = 97,811.60 × 43,064.38
  4. Step 4: Simplify right side
    65,318.52x = 4,212,195,450.96
  5. Step 5: Solve for x
    x = 4,212,195,450.96/65,318.52
  6. Step 6: Final answer
    x = 64,487.00

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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.