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Finding the Fourth Proportional to 267,797.60, 401,686.08 and 80,804

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Solution

The fourth proportional to 267,797.60, 401,686.08 and 80,804 is: 121,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,797.60 : 401,686.08 = 80,804 : x
  2. Step 2: Convert to fraction form
    267,797.60/401,686.08 = 80,804/x
  3. Step 3: Cross multiply
    267,797.60x = 401,686.08 × 80,804
  4. Step 4: Simplify right side
    267,797.60x = 32,457,842,008.32
  5. Step 5: Solve for x
    x = 32,457,842,008.32/267,797.60
  6. Step 6: Final answer
    x = 121,202.89

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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.