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Finding the Fourth Proportional to 117,093.88, 175,641.28 and 28,347.24

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Solution

The fourth proportional to 117,093.88, 175,641.28 and 28,347.24 is: 42,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,093.88 : 175,641.28 = 28,347.24 : x
  2. Step 2: Convert to fraction form
    117,093.88/175,641.28 = 28,347.24/x
  3. Step 3: Cross multiply
    117,093.88x = 175,641.28 × 28,347.24
  4. Step 4: Simplify right side
    117,093.88x = 4,978,945,518.07
  5. Step 5: Solve for x
    x = 4,978,945,518.07/117,093.88
  6. Step 6: Final answer
    x = 42,520.97

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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.