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Finding the Fourth Proportional to 216,231.57, 324,347.36 and 110,983.41

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Solution

The fourth proportional to 216,231.57, 324,347.36 and 110,983.41 is: 166,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,231.57 : 324,347.36 = 110,983.41 : x
  2. Step 2: Convert to fraction form
    216,231.57/324,347.36 = 110,983.41/x
  3. Step 3: Cross multiply
    216,231.57x = 324,347.36 × 110,983.41
  4. Step 4: Simplify right side
    216,231.57x = 35,997,175,482.38
  5. Step 5: Solve for x
    x = 35,997,175,482.38/216,231.57
  6. Step 6: Final answer
    x = 166,475.12

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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.