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Finding the Fourth Proportional to 251,160.18, 376,737.37 and 61,618.70

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Solution

The fourth proportional to 251,160.18, 376,737.37 and 61,618.70 is: 92,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,160.18 : 376,737.37 = 61,618.70 : x
  2. Step 2: Convert to fraction form
    251,160.18/376,737.37 = 61,618.70/x
  3. Step 3: Cross multiply
    251,160.18x = 376,737.37 × 61,618.70
  4. Step 4: Simplify right side
    251,160.18x = 23,214,066,980.82
  5. Step 5: Solve for x
    x = 23,214,066,980.82/251,160.18
  6. Step 6: Final answer
    x = 92,427.34

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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.