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Finding the Fourth Proportional to 73,648.50, 101,630.40 and 43,435.08

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Solution

The fourth proportional to 73,648.50, 101,630.40 and 43,435.08 is: 59,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.50 : 101,630.40 = 43,435.08 : x
  2. Step 2: Convert to fraction form
    73,648.50/101,630.40 = 43,435.08/x
  3. Step 3: Cross multiply
    73,648.50x = 101,630.40 × 43,435.08
  4. Step 4: Simplify right side
    73,648.50x = 4,414,324,554.43
  5. Step 5: Solve for x
    x = 4,414,324,554.43/73,648.50
  6. Step 6: Final answer
    x = 59,937.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.