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Finding the Fourth Proportional to 80,311.60, 110,829.90 and 44,503.93

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Solution

The fourth proportional to 80,311.60, 110,829.90 and 44,503.93 is: 61,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.60 : 110,829.90 = 44,503.93 : x
  2. Step 2: Convert to fraction form
    80,311.60/110,829.90 = 44,503.93/x
  3. Step 3: Cross multiply
    80,311.60x = 110,829.90 × 44,503.93
  4. Step 4: Simplify right side
    80,311.60x = 4,932,366,111.51
  5. Step 5: Solve for x
    x = 4,932,366,111.51/80,311.60
  6. Step 6: Final answer
    x = 61,415.36

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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.