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Finding the Fourth Proportional to 64,566.52, 96,888.66 and 25,142.20

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Solution

The fourth proportional to 64,566.52, 96,888.66 and 25,142.20 is: 37,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,566.52 : 96,888.66 = 25,142.20 : x
  2. Step 2: Convert to fraction form
    64,566.52/96,888.66 = 25,142.20/x
  3. Step 3: Cross multiply
    64,566.52x = 96,888.66 × 25,142.20
  4. Step 4: Simplify right side
    64,566.52x = 2,435,994,067.45
  5. Step 5: Solve for x
    x = 2,435,994,067.45/64,566.52
  6. Step 6: Final answer
    x = 37,728.44

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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.