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Finding the Fourth Proportional to 114,893.58, 172,345.00 and 40,021.29

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Solution

The fourth proportional to 114,893.58, 172,345.00 and 40,021.29 is: 60,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,893.58 : 172,345.00 = 40,021.29 : x
  2. Step 2: Convert to fraction form
    114,893.58/172,345.00 = 40,021.29/x
  3. Step 3: Cross multiply
    114,893.58x = 172,345.00 × 40,021.29
  4. Step 4: Simplify right side
    114,893.58x = 6,897,469,684.76
  5. Step 5: Solve for x
    x = 6,897,469,684.76/114,893.58
  6. Step 6: Final answer
    x = 60,033.55

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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.