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Finding the Fourth Proportional to 69,114.35, 103,671.53 and 34,122.35

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Solution

The fourth proportional to 69,114.35, 103,671.53 and 34,122.35 is: 51,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.35 : 103,671.53 = 34,122.35 : x
  2. Step 2: Convert to fraction form
    69,114.35/103,671.53 = 34,122.35/x
  3. Step 3: Cross multiply
    69,114.35x = 103,671.53 × 34,122.35
  4. Step 4: Simplify right side
    69,114.35x = 3,537,516,231.70
  5. Step 5: Solve for x
    x = 3,537,516,231.70/69,114.35
  6. Step 6: Final answer
    x = 51,183.53

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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.