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Finding the Fourth Proportional to 64,617.58, 96,907.65 and 25,165.90

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Solution

The fourth proportional to 64,617.58, 96,907.65 and 25,165.90 is: 37,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,617.58 : 96,907.65 = 25,165.90 : x
  2. Step 2: Convert to fraction form
    64,617.58/96,907.65 = 25,165.90/x
  3. Step 3: Cross multiply
    64,617.58x = 96,907.65 × 25,165.90
  4. Step 4: Simplify right side
    64,617.58x = 2,438,768,229.14
  5. Step 5: Solve for x
    x = 2,438,768,229.14/64,617.58
  6. Step 6: Final answer
    x = 37,741.56

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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.