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Finding the Fourth Proportional to 80,196, 110,670.48 and 46,684.32

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Solution

The fourth proportional to 80,196, 110,670.48 and 46,684.32 is: 64,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,196 : 110,670.48 = 46,684.32 : x
  2. Step 2: Convert to fraction form
    80,196/110,670.48 = 46,684.32/x
  3. Step 3: Cross multiply
    80,196x = 110,670.48 × 46,684.32
  4. Step 4: Simplify right side
    80,196x = 5,166,576,102.87
  5. Step 5: Solve for x
    x = 5,166,576,102.87/80,196
  6. Step 6: Final answer
    x = 64,424.36

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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.