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Finding the Fourth Proportional to 272,537.10, 381,945.60 and 272,537.10

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Solution

The fourth proportional to 272,537.10, 381,945.60 and 272,537.10 is: 381,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,537.10 : 381,945.60 = 272,537.10 : x
  2. Step 2: Convert to fraction form
    272,537.10/381,945.60 = 272,537.10/x
  3. Step 3: Cross multiply
    272,537.10x = 381,945.60 × 272,537.10
  4. Step 4: Simplify right side
    272,537.10x = 104,094,346,181.76
  5. Step 5: Solve for x
    x = 104,094,346,181.76/272,537.10
  6. Step 6: Final answer
    x = 381,945.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.