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Finding the Fourth Proportional to 194,391.98, 291,544.23 and 69,732.98

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Solution

The fourth proportional to 194,391.98, 291,544.23 and 69,732.98 is: 104,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,391.98 : 291,544.23 = 69,732.98 : x
  2. Step 2: Convert to fraction form
    194,391.98/291,544.23 = 69,732.98/x
  3. Step 3: Cross multiply
    194,391.98x = 291,544.23 × 69,732.98
  4. Step 4: Simplify right side
    194,391.98x = 20,330,247,959.71
  5. Step 5: Solve for x
    x = 20,330,247,959.71/194,391.98
  6. Step 6: Final answer
    x = 104,583.78

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1.5x scale

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.