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Finding the Fourth Proportional to 164,671.14, 227,246.20 and 89,219.64

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Solution

The fourth proportional to 164,671.14, 227,246.20 and 89,219.64 is: 123,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,671.14 : 227,246.20 = 89,219.64 : x
  2. Step 2: Convert to fraction form
    164,671.14/227,246.20 = 89,219.64/x
  3. Step 3: Cross multiply
    164,671.14x = 227,246.20 × 89,219.64
  4. Step 4: Simplify right side
    164,671.14x = 20,274,824,155.37
  5. Step 5: Solve for x
    x = 20,274,824,155.37/164,671.14
  6. Step 6: Final answer
    x = 123,123.12

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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.