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Finding the Fourth Proportional to 242,850.72, 335,013.72 and 162,303.60

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Solution

The fourth proportional to 242,850.72, 335,013.72 and 162,303.60 is: 223,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,850.72 : 335,013.72 = 162,303.60 : x
  2. Step 2: Convert to fraction form
    242,850.72/335,013.72 = 162,303.60/x
  3. Step 3: Cross multiply
    242,850.72x = 335,013.72 × 162,303.60
  4. Step 4: Simplify right side
    242,850.72x = 54,373,932,805.39
  5. Step 5: Solve for x
    x = 54,373,932,805.39/242,850.72
  6. Step 6: Final answer
    x = 223,898.59

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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.