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Finding the Fourth Proportional to 268,710.32, 370,973.84 and 178,189.28

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Solution

The fourth proportional to 268,710.32, 370,973.84 and 178,189.28 is: 246,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,710.32 : 370,973.84 = 178,189.28 : x
  2. Step 2: Convert to fraction form
    268,710.32/370,973.84 = 178,189.28/x
  3. Step 3: Cross multiply
    268,710.32x = 370,973.84 × 178,189.28
  4. Step 4: Simplify right side
    268,710.32x = 66,103,561,448.44
  5. Step 5: Solve for x
    x = 66,103,561,448.44/268,710.32
  6. Step 6: Final answer
    x = 246,003.06

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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.