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Finding the Fourth Proportional to 273,742.88, 377,659.46 and 171,726.62

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Solution

The fourth proportional to 273,742.88, 377,659.46 and 171,726.62 is: 236,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,742.88 : 377,659.46 = 171,726.62 : x
  2. Step 2: Convert to fraction form
    273,742.88/377,659.46 = 171,726.62/x
  3. Step 3: Cross multiply
    273,742.88x = 377,659.46 × 171,726.62
  4. Step 4: Simplify right side
    273,742.88x = 64,854,181,117.84
  5. Step 5: Solve for x
    x = 64,854,181,117.84/273,742.88
  6. Step 6: Final answer
    x = 236,916.42

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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.