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Finding the Fourth Proportional to 80,373.85, 110,915.03 and 46,381.95

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Solution

The fourth proportional to 80,373.85, 110,915.03 and 46,381.95 is: 64,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,373.85 : 110,915.03 = 46,381.95 : x
  2. Step 2: Convert to fraction form
    80,373.85/110,915.03 = 46,381.95/x
  3. Step 3: Cross multiply
    80,373.85x = 110,915.03 × 46,381.95
  4. Step 4: Simplify right side
    80,373.85x = 5,144,455,491.66
  5. Step 5: Solve for x
    x = 5,144,455,491.66/80,373.85
  6. Step 6: Final answer
    x = 64,006.58

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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.