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Finding the Fourth Proportional to 68,594.46, 103,405.79 and 64,022.25

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Solution

The fourth proportional to 68,594.46, 103,405.79 and 64,022.25 is: 96,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.46 : 103,405.79 = 64,022.25 : x
  2. Step 2: Convert to fraction form
    68,594.46/103,405.79 = 64,022.25/x
  3. Step 3: Cross multiply
    68,594.46x = 103,405.79 × 64,022.25
  4. Step 4: Simplify right side
    68,594.46x = 6,620,271,338.83
  5. Step 5: Solve for x
    x = 6,620,271,338.83/68,594.46
  6. Step 6: Final answer
    x = 96,513.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.