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Finding the Fourth Proportional to 74,952.50, 112,435.23 and 19,548.50

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Solution

The fourth proportional to 74,952.50, 112,435.23 and 19,548.50 is: 29,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.50 : 112,435.23 = 19,548.50 : x
  2. Step 2: Convert to fraction form
    74,952.50/112,435.23 = 19,548.50/x
  3. Step 3: Cross multiply
    74,952.50x = 112,435.23 × 19,548.50
  4. Step 4: Simplify right side
    74,952.50x = 2,197,940,093.66
  5. Step 5: Solve for x
    x = 2,197,940,093.66/74,952.50
  6. Step 6: Final answer
    x = 29,324.44

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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.