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Finding the Fourth Proportional to 218,796.41, 328,249.99 and 61,024.87

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Solution

The fourth proportional to 218,796.41, 328,249.99 and 61,024.87 is: 91,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,796.41 : 328,249.99 = 61,024.87 : x
  2. Step 2: Convert to fraction form
    218,796.41/328,249.99 = 61,024.87/x
  3. Step 3: Cross multiply
    218,796.41x = 328,249.99 × 61,024.87
  4. Step 4: Simplify right side
    218,796.41x = 20,031,411,326.00
  5. Step 5: Solve for x
    x = 20,031,411,326.00/218,796.41
  6. Step 6: Final answer
    x = 91,552.74

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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.