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Finding the Fourth Proportional to 117,694.40, 176,541.60 and 47,537.60

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Solution

The fourth proportional to 117,694.40, 176,541.60 and 47,537.60 is: 71,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,694.40 : 176,541.60 = 47,537.60 : x
  2. Step 2: Convert to fraction form
    117,694.40/176,541.60 = 47,537.60/x
  3. Step 3: Cross multiply
    117,694.40x = 176,541.60 × 47,537.60
  4. Step 4: Simplify right side
    117,694.40x = 8,392,363,964.16
  5. Step 5: Solve for x
    x = 8,392,363,964.16/117,694.40
  6. Step 6: Final answer
    x = 71,306.40

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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.