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Finding the Fourth Proportional to 273,871.26, 377,935.33 and 153,013.39

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Solution

The fourth proportional to 273,871.26, 377,935.33 and 153,013.39 is: 211,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,871.26 : 377,935.33 = 153,013.39 : x
  2. Step 2: Convert to fraction form
    273,871.26/377,935.33 = 153,013.39/x
  3. Step 3: Cross multiply
    273,871.26x = 377,935.33 × 153,013.39
  4. Step 4: Simplify right side
    273,871.26x = 57,829,166,044.07
  5. Step 5: Solve for x
    x = 57,829,166,044.07/273,871.26
  6. Step 6: Final answer
    x = 211,154.56

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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.