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Finding the Fourth Proportional to 492,730.63, 739,095.93 and 118,753.63

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Solution

The fourth proportional to 492,730.63, 739,095.93 and 118,753.63 is: 178,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,730.63 : 739,095.93 = 118,753.63 : x
  2. Step 2: Convert to fraction form
    492,730.63/739,095.93 = 118,753.63/x
  3. Step 3: Cross multiply
    492,730.63x = 739,095.93 × 118,753.63
  4. Step 4: Simplify right side
    492,730.63x = 87,770,322,757.99
  5. Step 5: Solve for x
    x = 87,770,322,757.99/492,730.63
  6. Step 6: Final answer
    x = 178,130.44

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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.