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Finding the Fourth Proportional to 71,321.55, 106,922.12 and 44,968.20

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Solution

The fourth proportional to 71,321.55, 106,922.12 and 44,968.20 is: 67,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,321.55 : 106,922.12 = 44,968.20 : x
  2. Step 2: Convert to fraction form
    71,321.55/106,922.12 = 44,968.20/x
  3. Step 3: Cross multiply
    71,321.55x = 106,922.12 × 44,968.20
  4. Step 4: Simplify right side
    71,321.55x = 4,808,095,051.74
  5. Step 5: Solve for x
    x = 4,808,095,051.74/71,321.55
  6. Step 6: Final answer
    x = 67,414.34

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1.5x scale

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.