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Finding the Fourth Proportional to 267,063.80, 400,733.78 and 117,409.08

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Solution

The fourth proportional to 267,063.80, 400,733.78 and 117,409.08 is: 176,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,063.80 : 400,733.78 = 117,409.08 : x
  2. Step 2: Convert to fraction form
    267,063.80/400,733.78 = 117,409.08/x
  3. Step 3: Cross multiply
    267,063.80x = 400,733.78 × 117,409.08
  4. Step 4: Simplify right side
    267,063.80x = 47,049,784,434.72
  5. Step 5: Solve for x
    x = 47,049,784,434.72/267,063.80
  6. Step 6: Final answer
    x = 176,174.32

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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.