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Finding the Fourth Proportional to 192,371.50, 265,467.72 and 107,489.26

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Solution

The fourth proportional to 192,371.50, 265,467.72 and 107,489.26 is: 148,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,371.50 : 265,467.72 = 107,489.26 : x
  2. Step 2: Convert to fraction form
    192,371.50/265,467.72 = 107,489.26/x
  3. Step 3: Cross multiply
    192,371.50x = 265,467.72 × 107,489.26
  4. Step 4: Simplify right side
    192,371.50x = 28,534,928,776.69
  5. Step 5: Solve for x
    x = 28,534,928,776.69/192,371.50
  6. Step 6: Final answer
    x = 148,332.41

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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.