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Finding the Fourth Proportional to 252,771.53, 348,664.52 and 192,209.40

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Solution

The fourth proportional to 252,771.53, 348,664.52 and 192,209.40 is: 265,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,771.53 : 348,664.52 = 192,209.40 : x
  2. Step 2: Convert to fraction form
    252,771.53/348,664.52 = 192,209.40/x
  3. Step 3: Cross multiply
    252,771.53x = 348,664.52 × 192,209.40
  4. Step 4: Simplify right side
    252,771.53x = 67,016,598,671.01
  5. Step 5: Solve for x
    x = 67,016,598,671.01/252,771.53
  6. Step 6: Final answer
    x = 265,127.16

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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.