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Finding the Fourth Proportional to 273,881.20, 411,210.60 and 168,905.20

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Solution

The fourth proportional to 273,881.20, 411,210.60 and 168,905.20 is: 253,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,881.20 : 411,210.60 = 168,905.20 : x
  2. Step 2: Convert to fraction form
    273,881.20/411,210.60 = 168,905.20/x
  3. Step 3: Cross multiply
    273,881.20x = 411,210.60 × 168,905.20
  4. Step 4: Simplify right side
    273,881.20x = 69,455,608,635.12
  5. Step 5: Solve for x
    x = 69,455,608,635.12/273,881.20
  6. Step 6: Final answer
    x = 253,597.58

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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.