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Finding the Fourth Proportional to 298,701.70, 448,052.55 and 111,703.30

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Solution

The fourth proportional to 298,701.70, 448,052.55 and 111,703.30 is: 167,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,701.70 : 448,052.55 = 111,703.30 : x
  2. Step 2: Convert to fraction form
    298,701.70/448,052.55 = 111,703.30/x
  3. Step 3: Cross multiply
    298,701.70x = 448,052.55 × 111,703.30
  4. Step 4: Simplify right side
    298,701.70x = 50,048,948,408.42
  5. Step 5: Solve for x
    x = 50,048,948,408.42/298,701.70
  6. Step 6: Final answer
    x = 167,554.95

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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.