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Finding the Fourth Proportional to 114,950.42, 172,441.80 and 40,059.80

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Solution

The fourth proportional to 114,950.42, 172,441.80 and 40,059.80 is: 60,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,950.42 : 172,441.80 = 40,059.80 : x
  2. Step 2: Convert to fraction form
    114,950.42/172,441.80 = 40,059.80/x
  3. Step 3: Cross multiply
    114,950.42x = 172,441.80 × 40,059.80
  4. Step 4: Simplify right side
    114,950.42x = 6,907,983,157.43
  5. Step 5: Solve for x
    x = 6,907,983,157.43/114,950.42
  6. Step 6: Final answer
    x = 60,095.33

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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.