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Finding the Fourth Proportional to 260,992.62, 360,163.80 and 152,090.04

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Solution

The fourth proportional to 260,992.62, 360,163.80 and 152,090.04 is: 209,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992.62 : 360,163.80 = 152,090.04 : x
  2. Step 2: Convert to fraction form
    260,992.62/360,163.80 = 152,090.04/x
  3. Step 3: Cross multiply
    260,992.62x = 360,163.80 × 152,090.04
  4. Step 4: Simplify right side
    260,992.62x = 54,777,326,748.55
  5. Step 5: Solve for x
    x = 54,777,326,748.55/260,992.62
  6. Step 6: Final answer
    x = 209,880.75

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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.