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Finding the Fourth Proportional to 254,372.94, 351,036.05 and 158,934.96

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Solution

The fourth proportional to 254,372.94, 351,036.05 and 158,934.96 is: 219,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,372.94 : 351,036.05 = 158,934.96 : x
  2. Step 2: Convert to fraction form
    254,372.94/351,036.05 = 158,934.96/x
  3. Step 3: Cross multiply
    254,372.94x = 351,036.05 × 158,934.96
  4. Step 4: Simplify right side
    254,372.94x = 55,791,899,770.63
  5. Step 5: Solve for x
    x = 55,791,899,770.63/254,372.94
  6. Step 6: Final answer
    x = 219,331.11

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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.