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Finding the Fourth Proportional to 175,327.60, 262,991.40 and 161,810.80

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Solution

The fourth proportional to 175,327.60, 262,991.40 and 161,810.80 is: 242,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,327.60 : 262,991.40 = 161,810.80 : x
  2. Step 2: Convert to fraction form
    175,327.60/262,991.40 = 161,810.80/x
  3. Step 3: Cross multiply
    175,327.60x = 262,991.40 × 161,810.80
  4. Step 4: Simplify right side
    175,327.60x = 42,554,848,827.12
  5. Step 5: Solve for x
    x = 42,554,848,827.12/175,327.60
  6. Step 6: Final answer
    x = 242,716.20

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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.