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Finding the Fourth Proportional to 117,269.78, 175,930.95 and 37,312.34

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Solution

The fourth proportional to 117,269.78, 175,930.95 and 37,312.34 is: 55,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.78 : 175,930.95 = 37,312.34 : x
  2. Step 2: Convert to fraction form
    117,269.78/175,930.95 = 37,312.34/x
  3. Step 3: Cross multiply
    117,269.78x = 175,930.95 × 37,312.34
  4. Step 4: Simplify right side
    117,269.78x = 6,564,395,422.92
  5. Step 5: Solve for x
    x = 6,564,395,422.92/117,269.78
  6. Step 6: Final answer
    x = 55,976.87

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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.