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Finding the Fourth Proportional to 231,008.80, 346,513.20 and 168,023.20

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Solution

The fourth proportional to 231,008.80, 346,513.20 and 168,023.20 is: 252,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,008.80 : 346,513.20 = 168,023.20 : x
  2. Step 2: Convert to fraction form
    231,008.80/346,513.20 = 168,023.20/x
  3. Step 3: Cross multiply
    231,008.80x = 346,513.20 × 168,023.20
  4. Step 4: Simplify right side
    231,008.80x = 58,222,256,706.24
  5. Step 5: Solve for x
    x = 58,222,256,706.24/231,008.80
  6. Step 6: Final answer
    x = 252,034.80

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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.