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Finding the Fourth Proportional to 70,169.10, 105,512.85 and 58,764.30

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Solution

The fourth proportional to 70,169.10, 105,512.85 and 58,764.30 is: 88,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169.10 : 105,512.85 = 58,764.30 : x
  2. Step 2: Convert to fraction form
    70,169.10/105,512.85 = 58,764.30/x
  3. Step 3: Cross multiply
    70,169.10x = 105,512.85 × 58,764.30
  4. Step 4: Simplify right side
    70,169.10x = 6,200,388,771.26
  5. Step 5: Solve for x
    x = 6,200,388,771.26/70,169.10
  6. Step 6: Final answer
    x = 88,363.52

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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.