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Finding the Fourth Proportional to 80,302.64, 110,813.02 and 44,490.52

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Solution

The fourth proportional to 80,302.64, 110,813.02 and 44,490.52 is: 61,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,302.64 : 110,813.02 = 44,490.52 : x
  2. Step 2: Convert to fraction form
    80,302.64/110,813.02 = 44,490.52/x
  3. Step 3: Cross multiply
    80,302.64x = 110,813.02 × 44,490.52
  4. Step 4: Simplify right side
    80,302.64x = 4,930,128,494.31
  5. Step 5: Solve for x
    x = 4,930,128,494.31/80,302.64
  6. Step 6: Final answer
    x = 61,394.35

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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.