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Finding the Fourth Proportional to 79,249.47, 118,868.15 and 23,090.01

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Solution

The fourth proportional to 79,249.47, 118,868.15 and 23,090.01 is: 34,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.47 : 118,868.15 = 23,090.01 : x
  2. Step 2: Convert to fraction form
    79,249.47/118,868.15 = 23,090.01/x
  3. Step 3: Cross multiply
    79,249.47x = 118,868.15 × 23,090.01
  4. Step 4: Simplify right side
    79,249.47x = 2,744,666,656.73
  5. Step 5: Solve for x
    x = 2,744,666,656.73/79,249.47
  6. Step 6: Final answer
    x = 34,633.25

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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.