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Finding the Fourth Proportional to 171,694.72, 236,858.77 and 111,284.92

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Solution

The fourth proportional to 171,694.72, 236,858.77 and 111,284.92 is: 153,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,694.72 : 236,858.77 = 111,284.92 : x
  2. Step 2: Convert to fraction form
    171,694.72/236,858.77 = 111,284.92/x
  3. Step 3: Cross multiply
    171,694.72x = 236,858.77 × 111,284.92
  4. Step 4: Simplify right side
    171,694.72x = 26,358,808,714.32
  5. Step 5: Solve for x
    x = 26,358,808,714.32/171,694.72
  6. Step 6: Final answer
    x = 153,521.37

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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.