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Finding the Fourth Proportional to 68,558.64, 94,595.56 and 43,393.52

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Solution

The fourth proportional to 68,558.64, 94,595.56 and 43,393.52 is: 59,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.64 : 94,595.56 = 43,393.52 : x
  2. Step 2: Convert to fraction form
    68,558.64/94,595.56 = 43,393.52/x
  3. Step 3: Cross multiply
    68,558.64x = 94,595.56 × 43,393.52
  4. Step 4: Simplify right side
    68,558.64x = 4,104,834,324.77
  5. Step 5: Solve for x
    x = 4,104,834,324.77/68,558.64
  6. Step 6: Final answer
    x = 59,873.33

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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.