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Finding the Fourth Proportional to 202,394.04, 279,308.12 and 111,755.73

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Solution

The fourth proportional to 202,394.04, 279,308.12 and 111,755.73 is: 154,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,394.04 : 279,308.12 = 111,755.73 : x
  2. Step 2: Convert to fraction form
    202,394.04/279,308.12 = 111,755.73/x
  3. Step 3: Cross multiply
    202,394.04x = 279,308.12 × 111,755.73
  4. Step 4: Simplify right side
    202,394.04x = 31,214,282,286.75
  5. Step 5: Solve for x
    x = 31,214,282,286.75/202,394.04
  6. Step 6: Final answer
    x = 154,225.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.