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Finding the Fourth Proportional to 80,038.94, 120,080.48 and 23,880.93

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Solution

The fourth proportional to 80,038.94, 120,080.48 and 23,880.93 is: 35,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.94 : 120,080.48 = 23,880.93 : x
  2. Step 2: Convert to fraction form
    80,038.94/120,080.48 = 23,880.93/x
  3. Step 3: Cross multiply
    80,038.94x = 120,080.48 × 23,880.93
  4. Step 4: Simplify right side
    80,038.94x = 2,867,632,967.54
  5. Step 5: Solve for x
    x = 2,867,632,967.54/80,038.94
  6. Step 6: Final answer
    x = 35,827.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.