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Finding the Fourth Proportional to 185,414.46, 255,861.09 and 104,858.88

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Solution

The fourth proportional to 185,414.46, 255,861.09 and 104,858.88 is: 144,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,414.46 : 255,861.09 = 104,858.88 : x
  2. Step 2: Convert to fraction form
    185,414.46/255,861.09 = 104,858.88/x
  3. Step 3: Cross multiply
    185,414.46x = 255,861.09 × 104,858.88
  4. Step 4: Simplify right side
    185,414.46x = 26,829,307,332.98
  5. Step 5: Solve for x
    x = 26,829,307,332.98/185,414.46
  6. Step 6: Final answer
    x = 144,699.11

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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.