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Finding the Fourth Proportional to 104,809.96, 144,640.42 and 59,491.24

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Solution

The fourth proportional to 104,809.96, 144,640.42 and 59,491.24 is: 82,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.96 : 144,640.42 = 59,491.24 : x
  2. Step 2: Convert to fraction form
    104,809.96/144,640.42 = 59,491.24/x
  3. Step 3: Cross multiply
    104,809.96x = 144,640.42 × 59,491.24
  4. Step 4: Simplify right side
    104,809.96x = 8,604,837,939.92
  5. Step 5: Solve for x
    x = 8,604,837,939.92/104,809.96
  6. Step 6: Final answer
    x = 82,099.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.