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Finding the Fourth Proportional to 95,335.88, 143,012.13 and 31,274.81

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Solution

The fourth proportional to 95,335.88, 143,012.13 and 31,274.81 is: 46,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,335.88 : 143,012.13 = 31,274.81 : x
  2. Step 2: Convert to fraction form
    95,335.88/143,012.13 = 31,274.81/x
  3. Step 3: Cross multiply
    95,335.88x = 143,012.13 × 31,274.81
  4. Step 4: Simplify right side
    95,335.88x = 4,472,677,550.98
  5. Step 5: Solve for x
    x = 4,472,677,550.98/95,335.88
  6. Step 6: Final answer
    x = 46,914.95

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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.