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Finding the Fourth Proportional to 225,930.03, 311,527.80 and 144,148.86

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Solution

The fourth proportional to 225,930.03, 311,527.80 and 144,148.86 is: 198,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,930.03 : 311,527.80 = 144,148.86 : x
  2. Step 2: Convert to fraction form
    225,930.03/311,527.80 = 144,148.86/x
  3. Step 3: Cross multiply
    225,930.03x = 311,527.80 × 144,148.86
  4. Step 4: Simplify right side
    225,930.03x = 44,906,377,228.31
  5. Step 5: Solve for x
    x = 44,906,377,228.31/225,930.03
  6. Step 6: Final answer
    x = 198,762.32

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