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Finding the Fourth Proportional to 251,796.60, 376,917.30 and 146,302.20

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Solution

The fourth proportional to 251,796.60, 376,917.30 and 146,302.20 is: 219,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,796.60 : 376,917.30 = 146,302.20 : x
  2. Step 2: Convert to fraction form
    251,796.60/376,917.30 = 146,302.20/x
  3. Step 3: Cross multiply
    251,796.60x = 376,917.30 × 146,302.20
  4. Step 4: Simplify right side
    251,796.60x = 55,143,830,208.06
  5. Step 5: Solve for x
    x = 55,143,830,208.06/251,796.60
  6. Step 6: Final answer
    x = 219,001.49

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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.