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Finding the Fourth Proportional to 192,453.60, 265,575.18 and 106,407.56

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Solution

The fourth proportional to 192,453.60, 265,575.18 and 106,407.56 is: 146,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.60 : 265,575.18 = 106,407.56 : x
  2. Step 2: Convert to fraction form
    192,453.60/265,575.18 = 106,407.56/x
  3. Step 3: Cross multiply
    192,453.60x = 265,575.18 × 106,407.56
  4. Step 4: Simplify right side
    192,453.60x = 28,259,206,900.36
  5. Step 5: Solve for x
    x = 28,259,206,900.36/192,453.60
  6. Step 6: Final answer
    x = 146,836.47

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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.