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Finding the Fourth Proportional to 192,342.76, 265,387.52 and 111,722.38

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Solution

The fourth proportional to 192,342.76, 265,387.52 and 111,722.38 is: 154,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,342.76 : 265,387.52 = 111,722.38 : x
  2. Step 2: Convert to fraction form
    192,342.76/265,387.52 = 111,722.38/x
  3. Step 3: Cross multiply
    192,342.76x = 265,387.52 × 111,722.38
  4. Step 4: Simplify right side
    192,342.76x = 29,649,725,356.70
  5. Step 5: Solve for x
    x = 29,649,725,356.70/192,342.76
  6. Step 6: Final answer
    x = 154,150.46

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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.