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Finding the Fourth Proportional to 192,451.65, 265,572.54 and 106,405.65

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Solution

The fourth proportional to 192,451.65, 265,572.54 and 106,405.65 is: 146,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,451.65 : 265,572.54 = 106,405.65 : x
  2. Step 2: Convert to fraction form
    192,451.65/265,572.54 = 106,405.65/x
  3. Step 3: Cross multiply
    192,451.65x = 265,572.54 × 106,405.65
  4. Step 4: Simplify right side
    192,451.65x = 28,258,418,740.85
  5. Step 5: Solve for x
    x = 28,258,418,740.85/192,451.65
  6. Step 6: Final answer
    x = 146,833.86

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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.