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Finding the Fourth Proportional to 63,709.92, 95,416.56 and 61,495.20

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Solution

The fourth proportional to 63,709.92, 95,416.56 and 61,495.20 is: 92,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,709.92 : 95,416.56 = 61,495.20 : x
  2. Step 2: Convert to fraction form
    63,709.92/95,416.56 = 61,495.20/x
  3. Step 3: Cross multiply
    63,709.92x = 95,416.56 × 61,495.20
  4. Step 4: Simplify right side
    63,709.92x = 5,867,660,440.51
  5. Step 5: Solve for x
    x = 5,867,660,440.51/63,709.92
  6. Step 6: Final answer
    x = 92,099.64

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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.