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Finding the Fourth Proportional to 251,410.75, 377,042.31 and 73,875.55

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Solution

The fourth proportional to 251,410.75, 377,042.31 and 73,875.55 is: 110,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,410.75 : 377,042.31 = 73,875.55 : x
  2. Step 2: Convert to fraction form
    251,410.75/377,042.31 = 73,875.55/x
  3. Step 3: Cross multiply
    251,410.75x = 377,042.31 × 73,875.55
  4. Step 4: Simplify right side
    251,410.75x = 27,854,208,024.52
  5. Step 5: Solve for x
    x = 27,854,208,024.52/251,410.75
  6. Step 6: Final answer
    x = 110,791.63

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1.5x scale

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.