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Finding the Fourth Proportional to 117,450.72, 176,234.40 and 58,284

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Solution

The fourth proportional to 117,450.72, 176,234.40 and 58,284 is: 87,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.72 : 176,234.40 = 58,284 : x
  2. Step 2: Convert to fraction form
    117,450.72/176,234.40 = 58,284/x
  3. Step 3: Cross multiply
    117,450.72x = 176,234.40 × 58,284
  4. Step 4: Simplify right side
    117,450.72x = 10,271,645,769.60
  5. Step 5: Solve for x
    x = 10,271,645,769.60/117,450.72
  6. Step 6: Final answer
    x = 87,454.94

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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.