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Finding the Fourth Proportional to 127,143, 190,748.52 and 44,037

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Solution

The fourth proportional to 127,143, 190,748.52 and 44,037 is: 66,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,143 : 190,748.52 = 44,037 : x
  2. Step 2: Convert to fraction form
    127,143/190,748.52 = 44,037/x
  3. Step 3: Cross multiply
    127,143x = 190,748.52 × 44,037
  4. Step 4: Simplify right side
    127,143x = 8,399,992,575.24
  5. Step 5: Solve for x
    x = 8,399,992,575.24/127,143
  6. Step 6: Final answer
    x = 66,067.28

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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.