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Finding the Fourth Proportional to 202,332.70, 303,584.10 and 108,729.10

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Solution

The fourth proportional to 202,332.70, 303,584.10 and 108,729.10 is: 163,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,332.70 : 303,584.10 = 108,729.10 : x
  2. Step 2: Convert to fraction form
    202,332.70/303,584.10 = 108,729.10/x
  3. Step 3: Cross multiply
    202,332.70x = 303,584.10 × 108,729.10
  4. Step 4: Simplify right side
    202,332.70x = 33,008,425,967.31
  5. Step 5: Solve for x
    x = 33,008,425,967.31/202,332.70
  6. Step 6: Final answer
    x = 163,139.35

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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.