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Finding the Fourth Proportional to 252,589.57, 348,573.61 and 172,157.61

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Solution

The fourth proportional to 252,589.57, 348,573.61 and 172,157.61 is: 237,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,589.57 : 348,573.61 = 172,157.61 : x
  2. Step 2: Convert to fraction form
    252,589.57/348,573.61 = 172,157.61/x
  3. Step 3: Cross multiply
    252,589.57x = 348,573.61 × 172,157.61
  4. Step 4: Simplify right side
    252,589.57x = 60,009,599,606.67
  5. Step 5: Solve for x
    x = 60,009,599,606.67/252,589.57
  6. Step 6: Final answer
    x = 237,577.50

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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.