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Finding the Fourth Proportional to 254,616.36, 381,922.08 and 154,804.11

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Solution

The fourth proportional to 254,616.36, 381,922.08 and 154,804.11 is: 232,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,616.36 : 381,922.08 = 154,804.11 : x
  2. Step 2: Convert to fraction form
    254,616.36/381,922.08 = 154,804.11/x
  3. Step 3: Cross multiply
    254,616.36x = 381,922.08 × 154,804.11
  4. Step 4: Simplify right side
    254,616.36x = 59,123,107,683.75
  5. Step 5: Solve for x
    x = 59,123,107,683.75/254,616.36
  6. Step 6: Final answer
    x = 232,204.67

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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.