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Finding the Fourth Proportional to 64,656.64, 96,996.48 and 23,161.60

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Solution

The fourth proportional to 64,656.64, 96,996.48 and 23,161.60 is: 34,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656.64 : 96,996.48 = 23,161.60 : x
  2. Step 2: Convert to fraction form
    64,656.64/96,996.48 = 23,161.60/x
  3. Step 3: Cross multiply
    64,656.64x = 96,996.48 × 23,161.60
  4. Step 4: Simplify right side
    64,656.64x = 2,246,593,671.17
  5. Step 5: Solve for x
    x = 2,246,593,671.17/64,656.64
  6. Step 6: Final answer
    x = 34,746.53

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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.