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Finding the Fourth Proportional to 80,194, 110,667.72 and 46,682.32

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Solution

The fourth proportional to 80,194, 110,667.72 and 46,682.32 is: 64,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194 : 110,667.72 = 46,682.32 : x
  2. Step 2: Convert to fraction form
    80,194/110,667.72 = 46,682.32/x
  3. Step 3: Cross multiply
    80,194x = 110,667.72 × 46,682.32
  4. Step 4: Simplify right side
    80,194x = 5,166,225,918.71
  5. Step 5: Solve for x
    x = 5,166,225,918.71/80,194
  6. Step 6: Final answer
    x = 64,421.60

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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.