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Finding the Fourth Proportional to 112,668.77, 168,992.20 and 29,562.77

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Solution

The fourth proportional to 112,668.77, 168,992.20 and 29,562.77 is: 44,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,668.77 : 168,992.20 = 29,562.77 : x
  2. Step 2: Convert to fraction form
    112,668.77/168,992.20 = 29,562.77/x
  3. Step 3: Cross multiply
    112,668.77x = 168,992.20 × 29,562.77
  4. Step 4: Simplify right side
    112,668.77x = 4,995,877,540.39
  5. Step 5: Solve for x
    x = 4,995,877,540.39/112,668.77
  6. Step 6: Final answer
    x = 44,341.28

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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.