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Finding the Fourth Proportional to 104,033.92, 143,570.46 and 58,722.88

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Solution

The fourth proportional to 104,033.92, 143,570.46 and 58,722.88 is: 81,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,033.92 : 143,570.46 = 58,722.88 : x
  2. Step 2: Convert to fraction form
    104,033.92/143,570.46 = 58,722.88/x
  3. Step 3: Cross multiply
    104,033.92x = 143,570.46 × 58,722.88
  4. Step 4: Simplify right side
    104,033.92x = 8,430,870,894.12
  5. Step 5: Solve for x
    x = 8,430,870,894.12/104,033.92
  6. Step 6: Final answer
    x = 81,039.63

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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.