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Finding the Fourth Proportional to 163,103.76, 244,596.92 and 56,458.74

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Solution

The fourth proportional to 163,103.76, 244,596.92 and 56,458.74 is: 84,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,103.76 : 244,596.92 = 56,458.74 : x
  2. Step 2: Convert to fraction form
    163,103.76/244,596.92 = 56,458.74/x
  3. Step 3: Cross multiply
    163,103.76x = 244,596.92 × 56,458.74
  4. Step 4: Simplify right side
    163,103.76x = 13,809,632,405.80
  5. Step 5: Solve for x
    x = 13,809,632,405.80/163,103.76
  6. Step 6: Final answer
    x = 84,667.78

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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.