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Finding the Fourth Proportional to 133,059.71, 183,310.50 and 92,700.47

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Solution

The fourth proportional to 133,059.71, 183,310.50 and 92,700.47 is: 127,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059.71 : 183,310.50 = 92,700.47 : x
  2. Step 2: Convert to fraction form
    133,059.71/183,310.50 = 92,700.47/x
  3. Step 3: Cross multiply
    133,059.71x = 183,310.50 × 92,700.47
  4. Step 4: Simplify right side
    133,059.71x = 16,992,969,505.94
  5. Step 5: Solve for x
    x = 16,992,969,505.94/133,059.71
  6. Step 6: Final answer
    x = 127,709.35

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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.