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Finding the Fourth Proportional to 65,097.60, 97,500.60 and 63,639.60

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Solution

The fourth proportional to 65,097.60, 97,500.60 and 63,639.60 is: 95,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,097.60 : 97,500.60 = 63,639.60 : x
  2. Step 2: Convert to fraction form
    65,097.60/97,500.60 = 63,639.60/x
  3. Step 3: Cross multiply
    65,097.60x = 97,500.60 × 63,639.60
  4. Step 4: Simplify right side
    65,097.60x = 6,204,899,183.76
  5. Step 5: Solve for x
    x = 6,204,899,183.76/65,097.60
  6. Step 6: Final answer
    x = 95,316.87

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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.