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Finding the Fourth Proportional to 119,183.66, 164,482.27 and 73,870.55

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Solution

The fourth proportional to 119,183.66, 164,482.27 and 73,870.55 is: 101,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,183.66 : 164,482.27 = 73,870.55 : x
  2. Step 2: Convert to fraction form
    119,183.66/164,482.27 = 73,870.55/x
  3. Step 3: Cross multiply
    119,183.66x = 164,482.27 × 73,870.55
  4. Step 4: Simplify right side
    119,183.66x = 12,150,394,743.06
  5. Step 5: Solve for x
    x = 12,150,394,743.06/119,183.66
  6. Step 6: Final answer
    x = 101,946.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.