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Finding the Fourth Proportional to 235,748.40, 353,622.60 and 189,092.40

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Solution

The fourth proportional to 235,748.40, 353,622.60 and 189,092.40 is: 283,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,748.40 : 353,622.60 = 189,092.40 : x
  2. Step 2: Convert to fraction form
    235,748.40/353,622.60 = 189,092.40/x
  3. Step 3: Cross multiply
    235,748.40x = 353,622.60 × 189,092.40
  4. Step 4: Simplify right side
    235,748.40x = 66,867,346,128.24
  5. Step 5: Solve for x
    x = 66,867,346,128.24/235,748.40
  6. Step 6: Final answer
    x = 283,638.60

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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.