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Finding the Fourth Proportional to 251,101.18, 376,652.40 and 61,562.40

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Solution

The fourth proportional to 251,101.18, 376,652.40 and 61,562.40 is: 92,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,101.18 : 376,652.40 = 61,562.40 : x
  2. Step 2: Convert to fraction form
    251,101.18/376,652.40 = 61,562.40/x
  3. Step 3: Cross multiply
    251,101.18x = 376,652.40 × 61,562.40
  4. Step 4: Simplify right side
    251,101.18x = 23,187,625,709.76
  5. Step 5: Solve for x
    x = 23,187,625,709.76/251,101.18
  6. Step 6: Final answer
    x = 92,343.75

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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.