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Finding the Fourth Proportional to 64,803.56, 88,845.67 and 63,622.58

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Solution

The fourth proportional to 64,803.56, 88,845.67 and 63,622.58 is: 87,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.56 : 88,845.67 = 63,622.58 : x
  2. Step 2: Convert to fraction form
    64,803.56/88,845.67 = 63,622.58/x
  3. Step 3: Cross multiply
    64,803.56x = 88,845.67 × 63,622.58
  4. Step 4: Simplify right side
    64,803.56x = 5,652,590,747.23
  5. Step 5: Solve for x
    x = 5,652,590,747.23/64,803.56
  6. Step 6: Final answer
    x = 87,226.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.