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Finding the Fourth Proportional to 68,567.70, 102,807.15 and 29,114.10

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Solution

The fourth proportional to 68,567.70, 102,807.15 and 29,114.10 is: 43,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,567.70 : 102,807.15 = 29,114.10 : x
  2. Step 2: Convert to fraction form
    68,567.70/102,807.15 = 29,114.10/x
  3. Step 3: Cross multiply
    68,567.70x = 102,807.15 × 29,114.10
  4. Step 4: Simplify right side
    68,567.70x = 2,993,137,645.82
  5. Step 5: Solve for x
    x = 2,993,137,645.82/68,567.70
  6. Step 6: Final answer
    x = 43,652.30

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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.