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Finding the Fourth Proportional to 114,625.54, 171,714.64 and 75,062.71

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Solution

The fourth proportional to 114,625.54, 171,714.64 and 75,062.71 is: 112,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,625.54 : 171,714.64 = 75,062.71 : x
  2. Step 2: Convert to fraction form
    114,625.54/171,714.64 = 75,062.71/x
  3. Step 3: Cross multiply
    114,625.54x = 171,714.64 × 75,062.71
  4. Step 4: Simplify right side
    114,625.54x = 12,889,366,225.07
  5. Step 5: Solve for x
    x = 12,889,366,225.07/114,625.54
  6. Step 6: Final answer
    x = 112,447.59

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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.