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Finding the Fourth Proportional to 69,616.58, 104,422.98 and 48,248.42

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Solution

The fourth proportional to 69,616.58, 104,422.98 and 48,248.42 is: 72,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.58 : 104,422.98 = 48,248.42 : x
  2. Step 2: Convert to fraction form
    69,616.58/104,422.98 = 48,248.42/x
  3. Step 3: Cross multiply
    69,616.58x = 104,422.98 × 48,248.42
  4. Step 4: Simplify right side
    69,616.58x = 5,038,243,796.69
  5. Step 5: Solve for x
    x = 5,038,243,796.69/69,616.58
  6. Step 6: Final answer
    x = 72,371.32

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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.