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Finding the Fourth Proportional to 71,019.99, 98,043.08 and 44,171.16

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Solution

The fourth proportional to 71,019.99, 98,043.08 and 44,171.16 is: 60,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,019.99 : 98,043.08 = 44,171.16 : x
  2. Step 2: Convert to fraction form
    71,019.99/98,043.08 = 44,171.16/x
  3. Step 3: Cross multiply
    71,019.99x = 98,043.08 × 44,171.16
  4. Step 4: Simplify right side
    71,019.99x = 4,330,676,352.72
  5. Step 5: Solve for x
    x = 4,330,676,352.72/71,019.99
  6. Step 6: Final answer
    x = 60,978.27

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1.5x scale

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.