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Finding the Fourth Proportional to 112,996.46, 169,486.46 and 46,418.52

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Solution

The fourth proportional to 112,996.46, 169,486.46 and 46,418.52 is: 69,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,996.46 : 169,486.46 = 46,418.52 : x
  2. Step 2: Convert to fraction form
    112,996.46/169,486.46 = 46,418.52/x
  3. Step 3: Cross multiply
    112,996.46x = 169,486.46 × 46,418.52
  4. Step 4: Simplify right side
    112,996.46x = 7,867,310,633.24
  5. Step 5: Solve for x
    x = 7,867,310,633.24/112,996.46
  6. Step 6: Final answer
    x = 69,624.40

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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.