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Finding the Fourth Proportional to 528,093.46, 792,127.11 and 154,119.70

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Solution

The fourth proportional to 528,093.46, 792,127.11 and 154,119.70 is: 231,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,093.46 : 792,127.11 = 154,119.70 : x
  2. Step 2: Convert to fraction form
    528,093.46/792,127.11 = 154,119.70/x
  3. Step 3: Cross multiply
    528,093.46x = 792,127.11 × 154,119.70
  4. Step 4: Simplify right side
    528,093.46x = 122,082,392,555.07
  5. Step 5: Solve for x
    x = 122,082,392,555.07/528,093.46
  6. Step 6: Final answer
    x = 231,175.73

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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.