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Finding the Fourth Proportional to 250,754.22, 376,464.81 and 145,648.62

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Solution

The fourth proportional to 250,754.22, 376,464.81 and 145,648.62 is: 218,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,754.22 : 376,464.81 = 145,648.62 : x
  2. Step 2: Convert to fraction form
    250,754.22/376,464.81 = 145,648.62/x
  3. Step 3: Cross multiply
    250,754.22x = 376,464.81 × 145,648.62
  4. Step 4: Simplify right side
    250,754.22x = 54,831,580,055.06
  5. Step 5: Solve for x
    x = 54,831,580,055.06/250,754.22
  6. Step 6: Final answer
    x = 218,666.63

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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.