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Finding the Fourth Proportional to 162,773.80, 244,233.60 and 73,981.60

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Solution

The fourth proportional to 162,773.80, 244,233.60 and 73,981.60 is: 111,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,773.80 : 244,233.60 = 73,981.60 : x
  2. Step 2: Convert to fraction form
    162,773.80/244,233.60 = 73,981.60/x
  3. Step 3: Cross multiply
    162,773.80x = 244,233.60 × 73,981.60
  4. Step 4: Simplify right side
    162,773.80x = 18,068,792,501.76
  5. Step 5: Solve for x
    x = 18,068,792,501.76/162,773.80
  6. Step 6: Final answer
    x = 111,005.53

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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.