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Finding the Fourth Proportional to 267,382.55, 401,124.39 and 107,470.93

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Solution

The fourth proportional to 267,382.55, 401,124.39 and 107,470.93 is: 161,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,382.55 : 401,124.39 = 107,470.93 : x
  2. Step 2: Convert to fraction form
    267,382.55/401,124.39 = 107,470.93/x
  3. Step 3: Cross multiply
    267,382.55x = 401,124.39 × 107,470.93
  4. Step 4: Simplify right side
    267,382.55x = 43,109,210,236.17
  5. Step 5: Solve for x
    x = 43,109,210,236.17/267,382.55
  6. Step 6: Final answer
    x = 161,226.72

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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.