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Finding the Fourth Proportional to 80,354.64, 110,881.95 and 44,541.61

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Solution

The fourth proportional to 80,354.64, 110,881.95 and 44,541.61 is: 61,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,354.64 : 110,881.95 = 44,541.61 : x
  2. Step 2: Convert to fraction form
    80,354.64/110,881.95 = 44,541.61/x
  3. Step 3: Cross multiply
    80,354.64x = 110,881.95 × 44,541.61
  4. Step 4: Simplify right side
    80,354.64x = 4,938,860,128.70
  5. Step 5: Solve for x
    x = 4,938,860,128.70/80,354.64
  6. Step 6: Final answer
    x = 61,463.28

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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.