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Finding the Fourth Proportional to 358,354.85, 537,157.44 and 133,617.52

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Solution

The fourth proportional to 358,354.85, 537,157.44 and 133,617.52 is: 200,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,354.85 : 537,157.44 = 133,617.52 : x
  2. Step 2: Convert to fraction form
    358,354.85/537,157.44 = 133,617.52/x
  3. Step 3: Cross multiply
    358,354.85x = 537,157.44 × 133,617.52
  4. Step 4: Simplify right side
    358,354.85x = 71,773,642,632.29
  5. Step 5: Solve for x
    x = 71,773,642,632.29/358,354.85
  6. Step 6: Final answer
    x = 200,286.51

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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.