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Finding the Fourth Proportional to 104,940.70, 144,809.00 and 58,364.65

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Solution

The fourth proportional to 104,940.70, 144,809.00 and 58,364.65 is: 80,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.70 : 144,809.00 = 58,364.65 : x
  2. Step 2: Convert to fraction form
    104,940.70/144,809.00 = 58,364.65/x
  3. Step 3: Cross multiply
    104,940.70x = 144,809.00 × 58,364.65
  4. Step 4: Simplify right side
    104,940.70x = 8,451,726,630.93
  5. Step 5: Solve for x
    x = 8,451,726,630.93/104,940.70
  6. Step 6: Final answer
    x = 80,538.12

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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.