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Finding the Fourth Proportional to 192,661.58, 265,866.81 and 107,776.82

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Solution

The fourth proportional to 192,661.58, 265,866.81 and 107,776.82 is: 148,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.58 : 265,866.81 = 107,776.82 : x
  2. Step 2: Convert to fraction form
    192,661.58/265,866.81 = 107,776.82/x
  3. Step 3: Cross multiply
    192,661.58x = 265,866.81 × 107,776.82
  4. Step 4: Simplify right side
    192,661.58x = 28,654,279,325.34
  5. Step 5: Solve for x
    x = 28,654,279,325.34/192,661.58
  6. Step 6: Final answer
    x = 148,728.56

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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.