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Finding the Fourth Proportional to 144,492.58, 199,391.74 and 80,818.08

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Solution

The fourth proportional to 144,492.58, 199,391.74 and 80,818.08 is: 111,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,492.58 : 199,391.74 = 80,818.08 : x
  2. Step 2: Convert to fraction form
    144,492.58/199,391.74 = 80,818.08/x
  3. Step 3: Cross multiply
    144,492.58x = 199,391.74 × 80,818.08
  4. Step 4: Simplify right side
    144,492.58x = 16,114,457,594.66
  5. Step 5: Solve for x
    x = 16,114,457,594.66/144,492.58
  6. Step 6: Final answer
    x = 111,524.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.