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Finding the Fourth Proportional to 69,610.60, 104,448.30 and 36,368.20

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Solution

The fourth proportional to 69,610.60, 104,448.30 and 36,368.20 is: 54,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,610.60 : 104,448.30 = 36,368.20 : x
  2. Step 2: Convert to fraction form
    69,610.60/104,448.30 = 36,368.20/x
  3. Step 3: Cross multiply
    69,610.60x = 104,448.30 × 36,368.20
  4. Step 4: Simplify right side
    69,610.60x = 3,798,596,664.06
  5. Step 5: Solve for x
    x = 3,798,596,664.06/69,610.60
  6. Step 6: Final answer
    x = 54,569.23

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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.