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Finding the Fourth Proportional to 192,357.78, 265,467.48 and 106,314.91

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Solution

The fourth proportional to 192,357.78, 265,467.48 and 106,314.91 is: 146,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,357.78 : 265,467.48 = 106,314.91 : x
  2. Step 2: Convert to fraction form
    192,357.78/265,467.48 = 106,314.91/x
  3. Step 3: Cross multiply
    192,357.78x = 265,467.48 × 106,314.91
  4. Step 4: Simplify right side
    192,357.78x = 28,223,152,273.05
  5. Step 5: Solve for x
    x = 28,223,152,273.05/192,357.78
  6. Step 6: Final answer
    x = 146,722.18

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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.