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Finding the Fourth Proportional to 192,371.52, 265,467.72 and 107,489.28

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Solution

The fourth proportional to 192,371.52, 265,467.72 and 107,489.28 is: 148,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,371.52 : 265,467.72 = 107,489.28 : x
  2. Step 2: Convert to fraction form
    192,371.52/265,467.72 = 107,489.28/x
  3. Step 3: Cross multiply
    192,371.52x = 265,467.72 × 107,489.28
  4. Step 4: Simplify right side
    192,371.52x = 28,534,934,086.04
  5. Step 5: Solve for x
    x = 28,534,934,086.04/192,371.52
  6. Step 6: Final answer
    x = 148,332.43

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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.