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Finding the Fourth Proportional to 64,149.78, 88,528.53 and 35,855.52

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Solution

The fourth proportional to 64,149.78, 88,528.53 and 35,855.52 is: 49,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.78 : 88,528.53 = 35,855.52 : x
  2. Step 2: Convert to fraction form
    64,149.78/88,528.53 = 35,855.52/x
  3. Step 3: Cross multiply
    64,149.78x = 88,528.53 × 35,855.52
  4. Step 4: Simplify right side
    64,149.78x = 3,174,236,477.99
  5. Step 5: Solve for x
    x = 3,174,236,477.99/64,149.78
  6. Step 6: Final answer
    x = 49,481.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.