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Finding the Fourth Proportional to 238,048.40, 356,575.80 and 111,796.40

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Solution

The fourth proportional to 238,048.40, 356,575.80 and 111,796.40 is: 167,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,048.40 : 356,575.80 = 111,796.40 : x
  2. Step 2: Convert to fraction form
    238,048.40/356,575.80 = 111,796.40/x
  3. Step 3: Cross multiply
    238,048.40x = 356,575.80 × 111,796.40
  4. Step 4: Simplify right side
    238,048.40x = 39,863,890,767.12
  5. Step 5: Solve for x
    x = 39,863,890,767.12/238,048.40
  6. Step 6: Final answer
    x = 167,461.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.