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Finding the Fourth Proportional to 238,494.99, 329,122.02 and 136,519.89

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Solution

The fourth proportional to 238,494.99, 329,122.02 and 136,519.89 is: 188,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,494.99 : 329,122.02 = 136,519.89 : x
  2. Step 2: Convert to fraction form
    238,494.99/329,122.02 = 136,519.89/x
  3. Step 3: Cross multiply
    238,494.99x = 329,122.02 × 136,519.89
  4. Step 4: Simplify right side
    238,494.99x = 44,931,701,966.98
  5. Step 5: Solve for x
    x = 44,931,701,966.98/238,494.99
  6. Step 6: Final answer
    x = 188,396.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.