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Finding the Fourth Proportional to 79,214.96, 118,810.02 and 25,906.51

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Solution

The fourth proportional to 79,214.96, 118,810.02 and 25,906.51 is: 38,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214.96 : 118,810.02 = 25,906.51 : x
  2. Step 2: Convert to fraction form
    79,214.96/118,810.02 = 25,906.51/x
  3. Step 3: Cross multiply
    79,214.96x = 118,810.02 × 25,906.51
  4. Step 4: Simplify right side
    79,214.96x = 3,077,952,664.15
  5. Step 5: Solve for x
    x = 3,077,952,664.15/79,214.96
  6. Step 6: Final answer
    x = 38,855.70

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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.