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Finding the Fourth Proportional to 168,120.16, 232,005.12 and 92,668.64

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Solution

The fourth proportional to 168,120.16, 232,005.12 and 92,668.64 is: 127,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,120.16 : 232,005.12 = 92,668.64 : x
  2. Step 2: Convert to fraction form
    168,120.16/232,005.12 = 92,668.64/x
  3. Step 3: Cross multiply
    168,120.16x = 232,005.12 × 92,668.64
  4. Step 4: Simplify right side
    168,120.16x = 21,499,598,943.44
  5. Step 5: Solve for x
    x = 21,499,598,943.44/168,120.16
  6. Step 6: Final answer
    x = 127,882.34

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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.