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Finding the Fourth Proportional to 117,095.60, 175,643.85 and 28,348.97

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Solution

The fourth proportional to 117,095.60, 175,643.85 and 28,348.97 is: 42,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,095.60 : 175,643.85 = 28,348.97 : x
  2. Step 2: Convert to fraction form
    117,095.60/175,643.85 = 28,348.97/x
  3. Step 3: Cross multiply
    117,095.60x = 175,643.85 × 28,348.97
  4. Step 4: Simplify right side
    117,095.60x = 4,979,321,356.12
  5. Step 5: Solve for x
    x = 4,979,321,356.12/117,095.60
  6. Step 6: Final answer
    x = 42,523.56

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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.