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Finding the Fourth Proportional to 168,412.64, 232,409.64 and 92,961.14

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Solution

The fourth proportional to 168,412.64, 232,409.64 and 92,961.14 is: 128,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,412.64 : 232,409.64 = 92,961.14 : x
  2. Step 2: Convert to fraction form
    168,412.64/232,409.64 = 92,961.14/x
  3. Step 3: Cross multiply
    168,412.64x = 232,409.64 × 92,961.14
  4. Step 4: Simplify right side
    168,412.64x = 21,605,065,081.39
  5. Step 5: Solve for x
    x = 21,605,065,081.39/168,412.64
  6. Step 6: Final answer
    x = 128,286.48

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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.