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Finding the Fourth Proportional to 127,359, 191,067.66 and 44,253

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Solution

The fourth proportional to 127,359, 191,067.66 and 44,253 is: 66,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,359 : 191,067.66 = 44,253 : x
  2. Step 2: Convert to fraction form
    127,359/191,067.66 = 44,253/x
  3. Step 3: Cross multiply
    127,359x = 191,067.66 × 44,253
  4. Step 4: Simplify right side
    127,359x = 8,455,317,157.98
  5. Step 5: Solve for x
    x = 8,455,317,157.98/127,359
  6. Step 6: Final answer
    x = 66,389.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.