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Finding the Fourth Proportional to 69,203.63, 103,768.53 and 35,840.94

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Solution

The fourth proportional to 69,203.63, 103,768.53 and 35,840.94 is: 53,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,203.63 : 103,768.53 = 35,840.94 : x
  2. Step 2: Convert to fraction form
    69,203.63/103,768.53 = 35,840.94/x
  3. Step 3: Cross multiply
    69,203.63x = 103,768.53 × 35,840.94
  4. Step 4: Simplify right side
    69,203.63x = 3,719,162,014.91
  5. Step 5: Solve for x
    x = 3,719,162,014.91/69,203.63
  6. Step 6: Final answer
    x = 53,742.30

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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.