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Finding the Fourth Proportional to 268,757.97, 370,886.06 and 147,899.26

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Solution

The fourth proportional to 268,757.97, 370,886.06 and 147,899.26 is: 204,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,757.97 : 370,886.06 = 147,899.26 : x
  2. Step 2: Convert to fraction form
    268,757.97/370,886.06 = 147,899.26/x
  3. Step 3: Cross multiply
    268,757.97x = 370,886.06 × 147,899.26
  4. Step 4: Simplify right side
    268,757.97x = 54,853,773,818.32
  5. Step 5: Solve for x
    x = 54,853,773,818.32/268,757.97
  6. Step 6: Final answer
    x = 204,101.01

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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.