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Finding the Fourth Proportional to 176,503.80, 264,755.70 and 161,988.60

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Solution

The fourth proportional to 176,503.80, 264,755.70 and 161,988.60 is: 242,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,503.80 : 264,755.70 = 161,988.60 : x
  2. Step 2: Convert to fraction form
    176,503.80/264,755.70 = 161,988.60/x
  3. Step 3: Cross multiply
    176,503.80x = 264,755.70 × 161,988.60
  4. Step 4: Simplify right side
    176,503.80x = 42,887,405,185.02
  5. Step 5: Solve for x
    x = 42,887,405,185.02/176,503.80
  6. Step 6: Final answer
    x = 242,982.90

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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.