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Finding the Fourth Proportional to 216,019.92, 324,028.88 and 58,264.32

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Solution

The fourth proportional to 216,019.92, 324,028.88 and 58,264.32 is: 87,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019.92 : 324,028.88 = 58,264.32 : x
  2. Step 2: Convert to fraction form
    216,019.92/324,028.88 = 58,264.32/x
  3. Step 3: Cross multiply
    216,019.92x = 324,028.88 × 58,264.32
  4. Step 4: Simplify right side
    216,019.92x = 18,879,322,353.56
  5. Step 5: Solve for x
    x = 18,879,322,353.56/216,019.92
  6. Step 6: Final answer
    x = 87,396.21

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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.