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Finding the Fourth Proportional to 102,993.18, 154,342.09 and 58,525.98

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Solution

The fourth proportional to 102,993.18, 154,342.09 and 58,525.98 is: 87,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,993.18 : 154,342.09 = 58,525.98 : x
  2. Step 2: Convert to fraction form
    102,993.18/154,342.09 = 58,525.98/x
  3. Step 3: Cross multiply
    102,993.18x = 154,342.09 × 58,525.98
  4. Step 4: Simplify right side
    102,993.18x = 9,033,022,072.50
  5. Step 5: Solve for x
    x = 9,033,022,072.50/102,993.18
  6. Step 6: Final answer
    x = 87,705.05

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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.