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Finding the Fourth Proportional to 140,750.48, 211,267.94 and 124,844.28

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Solution

The fourth proportional to 140,750.48, 211,267.94 and 124,844.28 is: 187,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,750.48 : 211,267.94 = 124,844.28 : x
  2. Step 2: Convert to fraction form
    140,750.48/211,267.94 = 124,844.28/x
  3. Step 3: Cross multiply
    140,750.48x = 211,267.94 × 124,844.28
  4. Step 4: Simplify right side
    140,750.48x = 26,375,593,232.16
  5. Step 5: Solve for x
    x = 26,375,593,232.16/140,750.48
  6. Step 6: Final answer
    x = 187,392.57

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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.