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Finding the Fourth Proportional to 64,258.92, 96,369.89 and 22,137.30

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Solution

The fourth proportional to 64,258.92, 96,369.89 and 22,137.30 is: 33,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.92 : 96,369.89 = 22,137.30 : x
  2. Step 2: Convert to fraction form
    64,258.92/96,369.89 = 22,137.30/x
  3. Step 3: Cross multiply
    64,258.92x = 96,369.89 × 22,137.30
  4. Step 4: Simplify right side
    64,258.92x = 2,133,369,055.21
  5. Step 5: Solve for x
    x = 2,133,369,055.21/64,258.92
  6. Step 6: Final answer
    x = 33,199.58

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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.