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Finding the Fourth Proportional to 273,861.15, 377,891.00 and 152,987.49

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Solution

The fourth proportional to 273,861.15, 377,891.00 and 152,987.49 is: 211,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,861.15 : 377,891.00 = 152,987.49 : x
  2. Step 2: Convert to fraction form
    273,861.15/377,891.00 = 152,987.49/x
  3. Step 3: Cross multiply
    273,861.15x = 377,891.00 × 152,987.49
  4. Step 4: Simplify right side
    273,861.15x = 57,812,594,818.65
  5. Step 5: Solve for x
    x = 57,812,594,818.65/273,861.15
  6. Step 6: Final answer
    x = 211,101.85

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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.