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Finding the Fourth Proportional to 104,195.97, 155,938.37 and 66,226.01

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Solution

The fourth proportional to 104,195.97, 155,938.37 and 66,226.01 is: 99,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195.97 : 155,938.37 = 66,226.01 : x
  2. Step 2: Convert to fraction form
    104,195.97/155,938.37 = 66,226.01/x
  3. Step 3: Cross multiply
    104,195.97x = 155,938.37 × 66,226.01
  4. Step 4: Simplify right side
    104,195.97x = 10,327,174,940.18
  5. Step 5: Solve for x
    x = 10,327,174,940.18/104,195.97
  6. Step 6: Final answer
    x = 99,113.00

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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.