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Finding the Fourth Proportional to 119,405.52, 178,940.88 and 94,335.84

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Solution

The fourth proportional to 119,405.52, 178,940.88 and 94,335.84 is: 141,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,405.52 : 178,940.88 = 94,335.84 : x
  2. Step 2: Convert to fraction form
    119,405.52/178,940.88 = 94,335.84/x
  3. Step 3: Cross multiply
    119,405.52x = 178,940.88 × 94,335.84
  4. Step 4: Simplify right side
    119,405.52x = 16,880,538,225.14
  5. Step 5: Solve for x
    x = 16,880,538,225.14/119,405.52
  6. Step 6: Final answer
    x = 141,371.51

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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.