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Finding the Fourth Proportional to 252,490.79, 348,437.13 and 161,846.69

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Solution

The fourth proportional to 252,490.79, 348,437.13 and 161,846.69 is: 223,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490.79 : 348,437.13 = 161,846.69 : x
  2. Step 2: Convert to fraction form
    252,490.79/348,437.13 = 161,846.69/x
  3. Step 3: Cross multiply
    252,490.79x = 348,437.13 × 161,846.69
  4. Step 4: Simplify right side
    252,490.79x = 56,393,395,774.45
  5. Step 5: Solve for x
    x = 56,393,395,774.45/252,490.79
  6. Step 6: Final answer
    x = 223,348.33

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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.