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Finding the Fourth Proportional to 112,104.98, 168,015.27 and 110,918.51

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Solution

The fourth proportional to 112,104.98, 168,015.27 and 110,918.51 is: 166,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.98 : 168,015.27 = 110,918.51 : x
  2. Step 2: Convert to fraction form
    112,104.98/168,015.27 = 110,918.51/x
  3. Step 3: Cross multiply
    112,104.98x = 168,015.27 × 110,918.51
  4. Step 4: Simplify right side
    112,104.98x = 18,636,003,405.65
  5. Step 5: Solve for x
    x = 18,636,003,405.65/112,104.98
  6. Step 6: Final answer
    x = 166,237.07

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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.