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Finding the Fourth Proportional to 235,902.40, 353,853.60 and 189,246.40

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Solution

The fourth proportional to 235,902.40, 353,853.60 and 189,246.40 is: 283,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,902.40 : 353,853.60 = 189,246.40 : x
  2. Step 2: Convert to fraction form
    235,902.40/353,853.60 = 189,246.40/x
  3. Step 3: Cross multiply
    235,902.40x = 353,853.60 × 189,246.40
  4. Step 4: Simplify right side
    235,902.40x = 66,965,519,927.04
  5. Step 5: Solve for x
    x = 66,965,519,927.04/235,902.40
  6. Step 6: Final answer
    x = 283,869.60

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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.