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Finding the Fourth Proportional to 168,021.64, 231,869.74 and 92,570.14

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Solution

The fourth proportional to 168,021.64, 231,869.74 and 92,570.14 is: 127,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.64 : 231,869.74 = 92,570.14 : x
  2. Step 2: Convert to fraction form
    168,021.64/231,869.74 = 92,570.14/x
  3. Step 3: Cross multiply
    168,021.64x = 231,869.74 × 92,570.14
  4. Step 4: Simplify right side
    168,021.64x = 21,464,214,525.54
  5. Step 5: Solve for x
    x = 21,464,214,525.54/168,021.64
  6. Step 6: Final answer
    x = 127,746.73

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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.