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Finding the Fourth Proportional to 248,859.93, 373,327.56 and 91,050.87

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Solution

The fourth proportional to 248,859.93, 373,327.56 and 91,050.87 is: 136,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.93 : 373,327.56 = 91,050.87 : x
  2. Step 2: Convert to fraction form
    248,859.93/373,327.56 = 91,050.87/x
  3. Step 3: Cross multiply
    248,859.93x = 373,327.56 × 91,050.87
  4. Step 4: Simplify right side
    248,859.93x = 33,991,799,132.98
  5. Step 5: Solve for x
    x = 33,991,799,132.98/248,859.93
  6. Step 6: Final answer
    x = 136,590.09

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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.