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Finding the Fourth Proportional to 71,069.68, 106,157.06 and 52,182.64

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Solution

The fourth proportional to 71,069.68, 106,157.06 and 52,182.64 is: 77,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.68 : 106,157.06 = 52,182.64 : x
  2. Step 2: Convert to fraction form
    71,069.68/106,157.06 = 52,182.64/x
  3. Step 3: Cross multiply
    71,069.68x = 106,157.06 × 52,182.64
  4. Step 4: Simplify right side
    71,069.68x = 5,539,555,645.44
  5. Step 5: Solve for x
    x = 5,539,555,645.44/71,069.68
  6. Step 6: Final answer
    x = 77,945.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.