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Finding the Fourth Proportional to 251,754.48, 347,454.36 and 151,158.96

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Solution

The fourth proportional to 251,754.48, 347,454.36 and 151,158.96 is: 208,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,754.48 : 347,454.36 = 151,158.96 : x
  2. Step 2: Convert to fraction form
    251,754.48/347,454.36 = 151,158.96/x
  3. Step 3: Cross multiply
    251,754.48x = 347,454.36 × 151,158.96
  4. Step 4: Simplify right side
    251,754.48x = 52,520,839,705.07
  5. Step 5: Solve for x
    x = 52,520,839,705.07/251,754.48
  6. Step 6: Final answer
    x = 208,619.29

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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.