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Finding the Fourth Proportional to 251,127.74, 376,686.45 and 73,630.82

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Solution

The fourth proportional to 251,127.74, 376,686.45 and 73,630.82 is: 110,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,127.74 : 376,686.45 = 73,630.82 : x
  2. Step 2: Convert to fraction form
    251,127.74/376,686.45 = 73,630.82/x
  3. Step 3: Cross multiply
    251,127.74x = 376,686.45 × 73,630.82
  4. Step 4: Simplify right side
    251,127.74x = 27,735,733,138.11
  5. Step 5: Solve for x
    x = 27,735,733,138.11/251,127.74
  6. Step 6: Final answer
    x = 110,444.72

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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.