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Finding the Fourth Proportional to 118,844.70, 178,513.29 and 114,858.69

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Solution

The fourth proportional to 118,844.70, 178,513.29 and 114,858.69 is: 172,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,844.70 : 178,513.29 = 114,858.69 : x
  2. Step 2: Convert to fraction form
    118,844.70/178,513.29 = 114,858.69/x
  3. Step 3: Cross multiply
    118,844.70x = 178,513.29 × 114,858.69
  4. Step 4: Simplify right side
    118,844.70x = 20,503,802,636.99
  5. Step 5: Solve for x
    x = 20,503,802,636.99/118,844.70
  6. Step 6: Final answer
    x = 172,526.02

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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.