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Finding the Fourth Proportional to 105,554.88, 157,958.30 and 93,099.24

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Solution

The fourth proportional to 105,554.88, 157,958.30 and 93,099.24 is: 139,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,554.88 : 157,958.30 = 93,099.24 : x
  2. Step 2: Convert to fraction form
    105,554.88/157,958.30 = 93,099.24/x
  3. Step 3: Cross multiply
    105,554.88x = 157,958.30 × 93,099.24
  4. Step 4: Simplify right side
    105,554.88x = 14,705,797,914.44
  5. Step 5: Solve for x
    x = 14,705,797,914.44/105,554.88
  6. Step 6: Final answer
    x = 139,318.98

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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.