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Finding the Fourth Proportional to 164,662.99, 227,235.15 and 89,211.49

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Solution

The fourth proportional to 164,662.99, 227,235.15 and 89,211.49 is: 123,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,662.99 : 227,235.15 = 89,211.49 : x
  2. Step 2: Convert to fraction form
    164,662.99/227,235.15 = 89,211.49/x
  3. Step 3: Cross multiply
    164,662.99x = 227,235.15 × 89,211.49
  4. Step 4: Simplify right side
    164,662.99x = 20,271,986,311.87
  5. Step 5: Solve for x
    x = 20,271,986,311.87/164,662.99
  6. Step 6: Final answer
    x = 123,111.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.