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Finding the Fourth Proportional to 192,671.22, 265,887 and 107,788.26

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Solution

The fourth proportional to 192,671.22, 265,887 and 107,788.26 is: 148,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,671.22 : 265,887 = 107,788.26 : x
  2. Step 2: Convert to fraction form
    192,671.22/265,887 = 107,788.26/x
  3. Step 3: Cross multiply
    192,671.22x = 265,887 × 107,788.26
  4. Step 4: Simplify right side
    192,671.22x = 28,659,497,086.62
  5. Step 5: Solve for x
    x = 28,659,497,086.62/192,671.22
  6. Step 6: Final answer
    x = 148,748.20

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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.