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Finding the Fourth Proportional to 268,638.52, 370,713.44 and 146,127.03

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Solution

The fourth proportional to 268,638.52, 370,713.44 and 146,127.03 is: 201,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,638.52 : 370,713.44 = 146,127.03 : x
  2. Step 2: Convert to fraction form
    268,638.52/370,713.44 = 146,127.03/x
  3. Step 3: Cross multiply
    268,638.52x = 370,713.44 × 146,127.03
  4. Step 4: Simplify right side
    268,638.52x = 54,171,253,968.28
  5. Step 5: Solve for x
    x = 54,171,253,968.28/268,638.52
  6. Step 6: Final answer
    x = 201,651.10

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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.