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Finding the Fourth Proportional to 251,135.53, 376,700.98 and 101,269.69

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Solution

The fourth proportional to 251,135.53, 376,700.98 and 101,269.69 is: 151,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,135.53 : 376,700.98 = 101,269.69 : x
  2. Step 2: Convert to fraction form
    251,135.53/376,700.98 = 101,269.69/x
  3. Step 3: Cross multiply
    251,135.53x = 376,700.98 × 101,269.69
  4. Step 4: Simplify right side
    251,135.53x = 38,148,391,467.30
  5. Step 5: Solve for x
    x = 38,148,391,467.30/251,135.53
  6. Step 6: Final answer
    x = 151,903.60

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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.