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Finding the Fourth Proportional to 368,434.05, 552,651.02 and 102,194.57

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Solution

The fourth proportional to 368,434.05, 552,651.02 and 102,194.57 is: 153,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,434.05 : 552,651.02 = 102,194.57 : x
  2. Step 2: Convert to fraction form
    368,434.05/552,651.02 = 102,194.57/x
  3. Step 3: Cross multiply
    368,434.05x = 552,651.02 × 102,194.57
  4. Step 4: Simplify right side
    368,434.05x = 56,477,930,074.73
  5. Step 5: Solve for x
    x = 56,477,930,074.73/368,434.05
  6. Step 6: Final answer
    x = 153,291.83

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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.