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Finding the Fourth Proportional to 81,446.70, 122,133.60 and 37,050.60

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Solution

The fourth proportional to 81,446.70, 122,133.60 and 37,050.60 is: 55,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446.70 : 122,133.60 = 37,050.60 : x
  2. Step 2: Convert to fraction form
    81,446.70/122,133.60 = 37,050.60/x
  3. Step 3: Cross multiply
    81,446.70x = 122,133.60 × 37,050.60
  4. Step 4: Simplify right side
    81,446.70x = 4,525,123,160.16
  5. Step 5: Solve for x
    x = 4,525,123,160.16/81,446.70
  6. Step 6: Final answer
    x = 55,559.32

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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.