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Finding the Fourth Proportional to 235,132.80, 353,044.80 and 165,321.60

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Solution

The fourth proportional to 235,132.80, 353,044.80 and 165,321.60 is: 248,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,132.80 : 353,044.80 = 165,321.60 : x
  2. Step 2: Convert to fraction form
    235,132.80/353,044.80 = 165,321.60/x
  3. Step 3: Cross multiply
    235,132.80x = 353,044.80 × 165,321.60
  4. Step 4: Simplify right side
    235,132.80x = 58,365,931,207.68
  5. Step 5: Solve for x
    x = 58,365,931,207.68/235,132.80
  6. Step 6: Final answer
    x = 248,225.39

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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.