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Finding the Fourth Proportional to 492,829.66, 739,245.21 and 118,852.66

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Solution

The fourth proportional to 492,829.66, 739,245.21 and 118,852.66 is: 178,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,829.66 : 739,245.21 = 118,852.66 : x
  2. Step 2: Convert to fraction form
    492,829.66/739,245.21 = 118,852.66/x
  3. Step 3: Cross multiply
    492,829.66x = 739,245.21 × 118,852.66
  4. Step 4: Simplify right side
    492,829.66x = 87,861,259,600.76
  5. Step 5: Solve for x
    x = 87,861,259,600.76/492,829.66
  6. Step 6: Final answer
    x = 178,279.16

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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.