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Finding the Fourth Proportional to 69,952.52, 104,911.14 and 20,032.94

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Solution

The fourth proportional to 69,952.52, 104,911.14 and 20,032.94 is: 30,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.52 : 104,911.14 = 20,032.94 : x
  2. Step 2: Convert to fraction form
    69,952.52/104,911.14 = 20,032.94/x
  3. Step 3: Cross multiply
    69,952.52x = 104,911.14 × 20,032.94
  4. Step 4: Simplify right side
    69,952.52x = 2,101,678,572.95
  5. Step 5: Solve for x
    x = 2,101,678,572.95/69,952.52
  6. Step 6: Final answer
    x = 30,044.36

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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.