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Finding the Fourth Proportional to 70,597.48, 105,865.14 and 33,168.19

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Solution

The fourth proportional to 70,597.48, 105,865.14 and 33,168.19 is: 49,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,597.48 : 105,865.14 = 33,168.19 : x
  2. Step 2: Convert to fraction form
    70,597.48/105,865.14 = 33,168.19/x
  3. Step 3: Cross multiply
    70,597.48x = 105,865.14 × 33,168.19
  4. Step 4: Simplify right side
    70,597.48x = 3,511,355,077.90
  5. Step 5: Solve for x
    x = 3,511,355,077.90/70,597.48
  6. Step 6: Final answer
    x = 49,737.68

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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.