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Finding the Fourth Proportional to 80,228.54, 110,688.17 and 46,235.94

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Solution

The fourth proportional to 80,228.54, 110,688.17 and 46,235.94 is: 63,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,228.54 : 110,688.17 = 46,235.94 : x
  2. Step 2: Convert to fraction form
    80,228.54/110,688.17 = 46,235.94/x
  3. Step 3: Cross multiply
    80,228.54x = 110,688.17 × 46,235.94
  4. Step 4: Simplify right side
    80,228.54x = 5,117,771,355.65
  5. Step 5: Solve for x
    x = 5,117,771,355.65/80,228.54
  6. Step 6: Final answer
    x = 63,789.91

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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.