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Finding the Fourth Proportional to 352,166.55, 528,281.49 and 99,449.60

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Solution

The fourth proportional to 352,166.55, 528,281.49 and 99,449.60 is: 149,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,166.55 : 528,281.49 = 99,449.60 : x
  2. Step 2: Convert to fraction form
    352,166.55/528,281.49 = 99,449.60/x
  3. Step 3: Cross multiply
    352,166.55x = 528,281.49 × 99,449.60
  4. Step 4: Simplify right side
    352,166.55x = 52,537,380,226.50
  5. Step 5: Solve for x
    x = 52,537,380,226.50/352,166.55
  6. Step 6: Final answer
    x = 149,183.33

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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.