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Finding the Fourth Proportional to 355,114.44, 532,673.64 and 118,456.38

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Solution

The fourth proportional to 355,114.44, 532,673.64 and 118,456.38 is: 177,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,114.44 : 532,673.64 = 118,456.38 : x
  2. Step 2: Convert to fraction form
    355,114.44/532,673.64 = 118,456.38/x
  3. Step 3: Cross multiply
    355,114.44x = 532,673.64 × 118,456.38
  4. Step 4: Simplify right side
    355,114.44x = 63,098,591,115.82
  5. Step 5: Solve for x
    x = 63,098,591,115.82/355,114.44
  6. Step 6: Final answer
    x = 177,685.23

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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.