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Finding the Fourth Proportional to 76,373.88, 114,514.81 and 34,246.34

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Solution

The fourth proportional to 76,373.88, 114,514.81 and 34,246.34 is: 51,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,373.88 : 114,514.81 = 34,246.34 : x
  2. Step 2: Convert to fraction form
    76,373.88/114,514.81 = 34,246.34/x
  3. Step 3: Cross multiply
    76,373.88x = 114,514.81 × 34,246.34
  4. Step 4: Simplify right side
    76,373.88x = 3,921,712,947.06
  5. Step 5: Solve for x
    x = 3,921,712,947.06/76,373.88
  6. Step 6: Final answer
    x = 51,348.88

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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.