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Finding the Fourth Proportional to 69,230.34, 103,866.03 and 29,253.20

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Solution

The fourth proportional to 69,230.34, 103,866.03 and 29,253.20 is: 43,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,230.34 : 103,866.03 = 29,253.20 : x
  2. Step 2: Convert to fraction form
    69,230.34/103,866.03 = 29,253.20/x
  3. Step 3: Cross multiply
    69,230.34x = 103,866.03 × 29,253.20
  4. Step 4: Simplify right side
    69,230.34x = 3,038,413,229.47
  5. Step 5: Solve for x
    x = 3,038,413,229.47/69,230.34
  6. Step 6: Final answer
    x = 43,888.46

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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.