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Finding the Fourth Proportional to 273,756.36, 377,781.30 and 151,248.56

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Solution

The fourth proportional to 273,756.36, 377,781.30 and 151,248.56 is: 208,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,756.36 : 377,781.30 = 151,248.56 : x
  2. Step 2: Convert to fraction form
    273,756.36/377,781.30 = 151,248.56/x
  3. Step 3: Cross multiply
    273,756.36x = 377,781.30 × 151,248.56
  4. Step 4: Simplify right side
    273,756.36x = 57,138,877,619.93
  5. Step 5: Solve for x
    x = 57,138,877,619.93/273,756.36
  6. Step 6: Final answer
    x = 208,721.64

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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.