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Finding the Fourth Proportional to 74,104.26, 102,228.66 and 53,952

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Solution

The fourth proportional to 74,104.26, 102,228.66 and 53,952 is: 74,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.26 : 102,228.66 = 53,952 : x
  2. Step 2: Convert to fraction form
    74,104.26/102,228.66 = 53,952/x
  3. Step 3: Cross multiply
    74,104.26x = 102,228.66 × 53,952
  4. Step 4: Simplify right side
    74,104.26x = 5,515,440,664.32
  5. Step 5: Solve for x
    x = 5,515,440,664.32/74,104.26
  6. Step 6: Final answer
    x = 74,428.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.