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Finding the Fourth Proportional to 117,273.49, 175,910.37 and 28,526.38

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Solution

The fourth proportional to 117,273.49, 175,910.37 and 28,526.38 is: 42,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,273.49 : 175,910.37 = 28,526.38 : x
  2. Step 2: Convert to fraction form
    117,273.49/175,910.37 = 28,526.38/x
  3. Step 3: Cross multiply
    117,273.49x = 175,910.37 × 28,526.38
  4. Step 4: Simplify right side
    117,273.49x = 5,018,085,513.81
  5. Step 5: Solve for x
    x = 5,018,085,513.81/117,273.49
  6. Step 6: Final answer
    x = 42,789.60

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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.