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Finding the Fourth Proportional to 250,090.74, 375,173.01 and 72,574.68

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Solution

The fourth proportional to 250,090.74, 375,173.01 and 72,574.68 is: 108,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,090.74 : 375,173.01 = 72,574.68 : x
  2. Step 2: Convert to fraction form
    250,090.74/375,173.01 = 72,574.68/x
  3. Step 3: Cross multiply
    250,090.74x = 375,173.01 × 72,574.68
  4. Step 4: Simplify right side
    250,090.74x = 27,228,061,145.39
  5. Step 5: Solve for x
    x = 27,228,061,145.39/250,090.74
  6. Step 6: Final answer
    x = 108,872.73

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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.