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Finding the Fourth Proportional to 69,365.40, 104,044.84 and 48,243

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Solution

The fourth proportional to 69,365.40, 104,044.84 and 48,243 is: 72,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.40 : 104,044.84 = 48,243 : x
  2. Step 2: Convert to fraction form
    69,365.40/104,044.84 = 48,243/x
  3. Step 3: Cross multiply
    69,365.40x = 104,044.84 × 48,243
  4. Step 4: Simplify right side
    69,365.40x = 5,019,435,216.12
  5. Step 5: Solve for x
    x = 5,019,435,216.12/69,365.40
  6. Step 6: Final answer
    x = 72,362.23

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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.