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Finding the Fourth Proportional to 273,900.53, 377,975.64 and 153,042.80

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Solution

The fourth proportional to 273,900.53, 377,975.64 and 153,042.80 is: 211,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,900.53 : 377,975.64 = 153,042.80 : x
  2. Step 2: Convert to fraction form
    273,900.53/377,975.64 = 153,042.80/x
  3. Step 3: Cross multiply
    273,900.53x = 377,975.64 × 153,042.80
  4. Step 4: Simplify right side
    273,900.53x = 57,846,450,277.39
  5. Step 5: Solve for x
    x = 57,846,450,277.39/273,900.53
  6. Step 6: Final answer
    x = 211,195.10

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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.