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Finding the Fourth Proportional to 80,362.47, 110,900.65 and 46,372.39

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Solution

The fourth proportional to 80,362.47, 110,900.65 and 46,372.39 is: 63,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,362.47 : 110,900.65 = 46,372.39 : x
  2. Step 2: Convert to fraction form
    80,362.47/110,900.65 = 46,372.39/x
  3. Step 3: Cross multiply
    80,362.47x = 110,900.65 × 46,372.39
  4. Step 4: Simplify right side
    80,362.47x = 5,142,728,193.05
  5. Step 5: Solve for x
    x = 5,142,728,193.05/80,362.47
  6. Step 6: Final answer
    x = 63,994.15

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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.