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Finding the Fourth Proportional to 192,129.89, 265,138.23 and 111,577.22

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Solution

The fourth proportional to 192,129.89, 265,138.23 and 111,577.22 is: 153,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,129.89 : 265,138.23 = 111,577.22 : x
  2. Step 2: Convert to fraction form
    192,129.89/265,138.23 = 111,577.22/x
  3. Step 3: Cross multiply
    192,129.89x = 265,138.23 × 111,577.22
  4. Step 4: Simplify right side
    192,129.89x = 29,583,385,293.43
  5. Step 5: Solve for x
    x = 29,583,385,293.43/192,129.89
  6. Step 6: Final answer
    x = 153,975.96

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1.5x scale

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.