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Finding the Fourth Proportional to 80,392.31, 110,941.64 and 44,585.63

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Solution

The fourth proportional to 80,392.31, 110,941.64 and 44,585.63 is: 61,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.31 : 110,941.64 = 44,585.63 : x
  2. Step 2: Convert to fraction form
    80,392.31/110,941.64 = 44,585.63/x
  3. Step 3: Cross multiply
    80,392.31x = 110,941.64 × 44,585.63
  4. Step 4: Simplify right side
    80,392.31x = 4,946,402,579.55
  5. Step 5: Solve for x
    x = 4,946,402,579.55/80,392.31
  6. Step 6: Final answer
    x = 61,528.31

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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.