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Finding the Fourth Proportional to 163,571.67, 245,357.19 and 51,260.49

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Solution

The fourth proportional to 163,571.67, 245,357.19 and 51,260.49 is: 76,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,571.67 : 245,357.19 = 51,260.49 : x
  2. Step 2: Convert to fraction form
    163,571.67/245,357.19 = 51,260.49/x
  3. Step 3: Cross multiply
    163,571.67x = 245,357.19 × 51,260.49
  4. Step 4: Simplify right side
    163,571.67x = 12,577,129,784.42
  5. Step 5: Solve for x
    x = 12,577,129,784.42/163,571.67
  6. Step 6: Final answer
    x = 76,890.64

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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.