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Finding the Fourth Proportional to 64,201.60, 96,302.40 and 16,816.60

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Solution

The fourth proportional to 64,201.60, 96,302.40 and 16,816.60 is: 25,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,201.60 : 96,302.40 = 16,816.60 : x
  2. Step 2: Convert to fraction form
    64,201.60/96,302.40 = 16,816.60/x
  3. Step 3: Cross multiply
    64,201.60x = 96,302.40 × 16,816.60
  4. Step 4: Simplify right side
    64,201.60x = 1,619,478,939.84
  5. Step 5: Solve for x
    x = 1,619,478,939.84/64,201.60
  6. Step 6: Final answer
    x = 25,224.90

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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.