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Finding the Fourth Proportional to 64,125.53, 96,188.31 and 16,740.48

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Solution

The fourth proportional to 64,125.53, 96,188.31 and 16,740.48 is: 25,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.53 : 96,188.31 = 16,740.48 : x
  2. Step 2: Convert to fraction form
    64,125.53/96,188.31 = 16,740.48/x
  3. Step 3: Cross multiply
    64,125.53x = 96,188.31 × 16,740.48
  4. Step 4: Simplify right side
    64,125.53x = 1,610,238,479.79
  5. Step 5: Solve for x
    x = 1,610,238,479.79/64,125.53
  6. Step 6: Final answer
    x = 25,110.73

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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.