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Finding the Fourth Proportional to 298,916.20, 448,548.06 and 112,057.96

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Solution

The fourth proportional to 298,916.20, 448,548.06 and 112,057.96 is: 168,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,916.20 : 448,548.06 = 112,057.96 : x
  2. Step 2: Convert to fraction form
    298,916.20/448,548.06 = 112,057.96/x
  3. Step 3: Cross multiply
    298,916.20x = 448,548.06 × 112,057.96
  4. Step 4: Simplify right side
    298,916.20x = 50,263,380,565.56
  5. Step 5: Solve for x
    x = 50,263,380,565.56/298,916.20
  6. Step 6: Final answer
    x = 168,152.08

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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.