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Finding the Fourth Proportional to 192,125.51, 265,189.51 and 111,589.24

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Solution

The fourth proportional to 192,125.51, 265,189.51 and 111,589.24 is: 154,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,125.51 : 265,189.51 = 111,589.24 : x
  2. Step 2: Convert to fraction form
    192,125.51/265,189.51 = 111,589.24/x
  3. Step 3: Cross multiply
    192,125.51x = 265,189.51 × 111,589.24
  4. Step 4: Simplify right side
    192,125.51x = 29,592,294,550.92
  5. Step 5: Solve for x
    x = 29,592,294,550.92/192,125.51
  6. Step 6: Final answer
    x = 154,025.85

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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.