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Finding the Fourth Proportional to 500,995.22, 751,494.35 and 121,916.01

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Solution

The fourth proportional to 500,995.22, 751,494.35 and 121,916.01 is: 182,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,995.22 : 751,494.35 = 121,916.01 : x
  2. Step 2: Convert to fraction form
    500,995.22/751,494.35 = 121,916.01/x
  3. Step 3: Cross multiply
    500,995.22x = 751,494.35 × 121,916.01
  4. Step 4: Simplify right side
    500,995.22x = 91,619,192,079.96
  5. Step 5: Solve for x
    x = 91,619,192,079.96/500,995.22
  6. Step 6: Final answer
    x = 182,874.39

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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.