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Finding the Fourth Proportional to 251,248.60, 376,754.10 and 146,099.80

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Solution

The fourth proportional to 251,248.60, 376,754.10 and 146,099.80 is: 219,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,248.60 : 376,754.10 = 146,099.80 : x
  2. Step 2: Convert to fraction form
    251,248.60/376,754.10 = 146,099.80/x
  3. Step 3: Cross multiply
    251,248.60x = 376,754.10 × 146,099.80
  4. Step 4: Simplify right side
    251,248.60x = 55,043,698,659.18
  5. Step 5: Solve for x
    x = 55,043,698,659.18/251,248.60
  6. Step 6: Final answer
    x = 219,080.62

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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.