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Finding the Fourth Proportional to 119,941.70, 179,902.10 and 48,871.83

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Solution

The fourth proportional to 119,941.70, 179,902.10 and 48,871.83 is: 73,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,941.70 : 179,902.10 = 48,871.83 : x
  2. Step 2: Convert to fraction form
    119,941.70/179,902.10 = 48,871.83/x
  3. Step 3: Cross multiply
    119,941.70x = 179,902.10 × 48,871.83
  4. Step 4: Simplify right side
    119,941.70x = 8,792,144,295.39
  5. Step 5: Solve for x
    x = 8,792,144,295.39/119,941.70
  6. Step 6: Final answer
    x = 73,303.48

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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.