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Finding the Fourth Proportional to 168,410.20, 232,405.80 and 92,958.64

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Solution

The fourth proportional to 168,410.20, 232,405.80 and 92,958.64 is: 128,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,410.20 : 232,405.80 = 92,958.64 : x
  2. Step 2: Convert to fraction form
    168,410.20/232,405.80 = 92,958.64/x
  3. Step 3: Cross multiply
    168,410.20x = 232,405.80 × 92,958.64
  4. Step 4: Simplify right side
    168,410.20x = 21,604,127,096.11
  5. Step 5: Solve for x
    x = 21,604,127,096.11/168,410.20
  6. Step 6: Final answer
    x = 128,282.77

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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.