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Finding the Fourth Proportional to 368,589.65, 552,909.59 and 125,331.67

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Solution

The fourth proportional to 368,589.65, 552,909.59 and 125,331.67 is: 188,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,589.65 : 552,909.59 = 125,331.67 : x
  2. Step 2: Convert to fraction form
    368,589.65/552,909.59 = 125,331.67/x
  3. Step 3: Cross multiply
    368,589.65x = 552,909.59 × 125,331.67
  4. Step 4: Simplify right side
    368,589.65x = 69,297,078,882.51
  5. Step 5: Solve for x
    x = 69,297,078,882.51/368,589.65
  6. Step 6: Final answer
    x = 188,006.04

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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.