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Finding the Fourth Proportional to 252,670.43, 348,525.92 and 161,932.61

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Solution

The fourth proportional to 252,670.43, 348,525.92 and 161,932.61 is: 223,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,670.43 : 348,525.92 = 161,932.61 : x
  2. Step 2: Convert to fraction form
    252,670.43/348,525.92 = 161,932.61/x
  3. Step 3: Cross multiply
    252,670.43x = 348,525.92 × 161,932.61
  4. Step 4: Simplify right side
    252,670.43x = 56,437,711,068.59
  5. Step 5: Solve for x
    x = 56,437,711,068.59/252,670.43
  6. Step 6: Final answer
    x = 223,364.92

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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.