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Finding the Fourth Proportional to 71,847.54, 99,172.59 and 46,354.62

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Solution

The fourth proportional to 71,847.54, 99,172.59 and 46,354.62 is: 63,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.54 : 99,172.59 = 46,354.62 : x
  2. Step 2: Convert to fraction form
    71,847.54/99,172.59 = 46,354.62/x
  3. Step 3: Cross multiply
    71,847.54x = 99,172.59 × 46,354.62
  4. Step 4: Simplify right side
    71,847.54x = 4,597,107,492.09
  5. Step 5: Solve for x
    x = 4,597,107,492.09/71,847.54
  6. Step 6: Final answer
    x = 63,984.20

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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.