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Finding the Fourth Proportional to 73,333.90, 110,053.30 and 31,243.46

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Solution

The fourth proportional to 73,333.90, 110,053.30 and 31,243.46 is: 46,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,333.90 : 110,053.30 = 31,243.46 : x
  2. Step 2: Convert to fraction form
    73,333.90/110,053.30 = 31,243.46/x
  3. Step 3: Cross multiply
    73,333.90x = 110,053.30 × 31,243.46
  4. Step 4: Simplify right side
    73,333.90x = 3,438,445,876.42
  5. Step 5: Solve for x
    x = 3,438,445,876.42/73,333.90
  6. Step 6: Final answer
    x = 46,887.54

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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.