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Finding the Fourth Proportional to 80,013.48, 110,419.64 and 46,022.64

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Solution

The fourth proportional to 80,013.48, 110,419.64 and 46,022.64 is: 63,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.48 : 110,419.64 = 46,022.64 : x
  2. Step 2: Convert to fraction form
    80,013.48/110,419.64 = 46,022.64/x
  3. Step 3: Cross multiply
    80,013.48x = 110,419.64 × 46,022.64
  4. Step 4: Simplify right side
    80,013.48x = 5,081,803,340.65
  5. Step 5: Solve for x
    x = 5,081,803,340.65/80,013.48
  6. Step 6: Final answer
    x = 63,511.84

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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.