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Finding the Fourth Proportional to 192,437.44, 265,555.31 and 105,220.94

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Solution

The fourth proportional to 192,437.44, 265,555.31 and 105,220.94 is: 145,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,437.44 : 265,555.31 = 105,220.94 : x
  2. Step 2: Convert to fraction form
    192,437.44/265,555.31 = 105,220.94/x
  3. Step 3: Cross multiply
    192,437.44x = 265,555.31 × 105,220.94
  4. Step 4: Simplify right side
    192,437.44x = 27,941,979,571.93
  5. Step 5: Solve for x
    x = 27,941,979,571.93/192,437.44
  6. Step 6: Final answer
    x = 145,200.33

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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.