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Finding the Fourth Proportional to 250,001.88, 375,090.51 and 72,519.54

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Solution

The fourth proportional to 250,001.88, 375,090.51 and 72,519.54 is: 108,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,001.88 : 375,090.51 = 72,519.54 : x
  2. Step 2: Convert to fraction form
    250,001.88/375,090.51 = 72,519.54/x
  3. Step 3: Cross multiply
    250,001.88x = 375,090.51 × 72,519.54
  4. Step 4: Simplify right side
    250,001.88x = 27,201,391,243.57
  5. Step 5: Solve for x
    x = 27,201,391,243.57/250,001.88
  6. Step 6: Final answer
    x = 108,804.75

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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.