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Finding the Fourth Proportional to 102,201.99, 153,259.21 and 35,622.42

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Solution

The fourth proportional to 102,201.99, 153,259.21 and 35,622.42 is: 53,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,201.99 : 153,259.21 = 35,622.42 : x
  2. Step 2: Convert to fraction form
    102,201.99/153,259.21 = 35,622.42/x
  3. Step 3: Cross multiply
    102,201.99x = 153,259.21 × 35,622.42
  4. Step 4: Simplify right side
    102,201.99x = 5,459,463,947.49
  5. Step 5: Solve for x
    x = 5,459,463,947.49/102,201.99
  6. Step 6: Final answer
    x = 53,418.37

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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.