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Finding the Fourth Proportional to 210,924.67, 316,321.81 and 61,175.98

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Solution

The fourth proportional to 210,924.67, 316,321.81 and 61,175.98 is: 91,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,924.67 : 316,321.81 = 61,175.98 : x
  2. Step 2: Convert to fraction form
    210,924.67/316,321.81 = 61,175.98/x
  3. Step 3: Cross multiply
    210,924.67x = 316,321.81 × 61,175.98
  4. Step 4: Simplify right side
    210,924.67x = 19,351,296,722.12
  5. Step 5: Solve for x
    x = 19,351,296,722.12/210,924.67
  6. Step 6: Final answer
    x = 91,745.06

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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.