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Finding the Fourth Proportional to 250,905.60, 376,412.40 and 73,398.96

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Solution

The fourth proportional to 250,905.60, 376,412.40 and 73,398.96 is: 110,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,905.60 : 376,412.40 = 73,398.96 : x
  2. Step 2: Convert to fraction form
    250,905.60/376,412.40 = 73,398.96/x
  3. Step 3: Cross multiply
    250,905.60x = 376,412.40 × 73,398.96
  4. Step 4: Simplify right side
    250,905.60x = 27,628,278,691.10
  5. Step 5: Solve for x
    x = 27,628,278,691.10/250,905.60
  6. Step 6: Final answer
    x = 110,114.24

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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.