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Finding the Fourth Proportional to 73,377.06, 110,079.71 and 31,256.35

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Solution

The fourth proportional to 73,377.06, 110,079.71 and 31,256.35 is: 46,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,377.06 : 110,079.71 = 31,256.35 : x
  2. Step 2: Convert to fraction form
    73,377.06/110,079.71 = 31,256.35/x
  3. Step 3: Cross multiply
    73,377.06x = 110,079.71 × 31,256.35
  4. Step 4: Simplify right side
    73,377.06x = 3,440,689,629.39
  5. Step 5: Solve for x
    x = 3,440,689,629.39/73,377.06
  6. Step 6: Final answer
    x = 46,890.54

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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.