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Finding the Fourth Proportional to 192,445.70, 288,668.55 and 59,314.10

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Solution

The fourth proportional to 192,445.70, 288,668.55 and 59,314.10 is: 88,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,445.70 : 288,668.55 = 59,314.10 : x
  2. Step 2: Convert to fraction form
    192,445.70/288,668.55 = 59,314.10/x
  3. Step 3: Cross multiply
    192,445.70x = 288,668.55 × 59,314.10
  4. Step 4: Simplify right side
    192,445.70x = 17,122,115,241.56
  5. Step 5: Solve for x
    x = 17,122,115,241.56/192,445.70
  6. Step 6: Final answer
    x = 88,971.15

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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.