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Finding the Fourth Proportional to 168,039, 231,894.54 and 92,585.88

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Solution

The fourth proportional to 168,039, 231,894.54 and 92,585.88 is: 127,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039 : 231,894.54 = 92,585.88 : x
  2. Step 2: Convert to fraction form
    168,039/231,894.54 = 92,585.88/x
  3. Step 3: Cross multiply
    168,039x = 231,894.54 × 92,585.88
  4. Step 4: Simplify right side
    168,039x = 21,470,160,053.10
  5. Step 5: Solve for x
    x = 21,470,160,053.10/168,039
  6. Step 6: Final answer
    x = 127,768.91

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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.