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Finding the Fourth Proportional to 81,446.70, 122,112.45 and 37,094.70

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Solution

The fourth proportional to 81,446.70, 122,112.45 and 37,094.70 is: 55,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446.70 : 122,112.45 = 37,094.70 : x
  2. Step 2: Convert to fraction form
    81,446.70/122,112.45 = 37,094.70/x
  3. Step 3: Cross multiply
    81,446.70x = 122,112.45 × 37,094.70
  4. Step 4: Simplify right side
    81,446.70x = 4,529,724,699.02
  5. Step 5: Solve for x
    x = 4,529,724,699.02/81,446.70
  6. Step 6: Final answer
    x = 55,615.82

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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.