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Finding the Fourth Proportional to 133,059.72, 183,310.50 and 92,700.48

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Solution

The fourth proportional to 133,059.72, 183,310.50 and 92,700.48 is: 127,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059.72 : 183,310.50 = 92,700.48 : x
  2. Step 2: Convert to fraction form
    133,059.72/183,310.50 = 92,700.48/x
  3. Step 3: Cross multiply
    133,059.72x = 183,310.50 × 92,700.48
  4. Step 4: Simplify right side
    133,059.72x = 16,992,971,339.04
  5. Step 5: Solve for x
    x = 16,992,971,339.04/133,059.72
  6. Step 6: Final answer
    x = 127,709.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.