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Finding the Fourth Proportional to 136,780.92, 204,967.26 and 111,994.92

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Solution

The fourth proportional to 136,780.92, 204,967.26 and 111,994.92 is: 167,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,780.92 : 204,967.26 = 111,994.92 : x
  2. Step 2: Convert to fraction form
    136,780.92/204,967.26 = 111,994.92/x
  3. Step 3: Cross multiply
    136,780.92x = 204,967.26 × 111,994.92
  4. Step 4: Simplify right side
    136,780.92x = 22,955,291,886.32
  5. Step 5: Solve for x
    x = 22,955,291,886.32/136,780.92
  6. Step 6: Final answer
    x = 167,825.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.