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Finding the Fourth Proportional to 121,099.19, 182,786.22 and 121,099.19

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Solution

The fourth proportional to 121,099.19, 182,786.22 and 121,099.19 is: 182,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,099.19 : 182,786.22 = 121,099.19 : x
  2. Step 2: Convert to fraction form
    121,099.19/182,786.22 = 121,099.19/x
  3. Step 3: Cross multiply
    121,099.19x = 182,786.22 × 121,099.19
  4. Step 4: Simplify right side
    121,099.19x = 22,135,262,271.23
  5. Step 5: Solve for x
    x = 22,135,262,271.23/121,099.19
  6. Step 6: Final answer
    x = 182,786.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.