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Finding the Fourth Proportional to 117,907.40, 176,800.30 and 34,790.60

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Solution

The fourth proportional to 117,907.40, 176,800.30 and 34,790.60 is: 52,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.40 : 176,800.30 = 34,790.60 : x
  2. Step 2: Convert to fraction form
    117,907.40/176,800.30 = 34,790.60/x
  3. Step 3: Cross multiply
    117,907.40x = 176,800.30 × 34,790.60
  4. Step 4: Simplify right side
    117,907.40x = 6,150,988,517.18
  5. Step 5: Solve for x
    x = 6,150,988,517.18/117,907.40
  6. Step 6: Final answer
    x = 52,167.96

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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.