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Finding the Fourth Proportional to 252,735.44, 348,834.72 and 145,367.50

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Solution

The fourth proportional to 252,735.44, 348,834.72 and 145,367.50 is: 200,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,735.44 : 348,834.72 = 145,367.50 : x
  2. Step 2: Convert to fraction form
    252,735.44/348,834.72 = 145,367.50/x
  3. Step 3: Cross multiply
    252,735.44x = 348,834.72 × 145,367.50
  4. Step 4: Simplify right side
    252,735.44x = 50,709,231,159.60
  5. Step 5: Solve for x
    x = 50,709,231,159.60/252,735.44
  6. Step 6: Final answer
    x = 200,641.55

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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.