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Finding the Fourth Proportional to 69,703.28, 104,496.15 and 30,230.67

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Solution

The fourth proportional to 69,703.28, 104,496.15 and 30,230.67 is: 45,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.28 : 104,496.15 = 30,230.67 : x
  2. Step 2: Convert to fraction form
    69,703.28/104,496.15 = 30,230.67/x
  3. Step 3: Cross multiply
    69,703.28x = 104,496.15 × 30,230.67
  4. Step 4: Simplify right side
    69,703.28x = 3,158,988,459.33
  5. Step 5: Solve for x
    x = 3,158,988,459.33/69,703.28
  6. Step 6: Final answer
    x = 45,320.51

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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.