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Finding the Fourth Proportional to 117,080.67, 175,621.01 and 28,334.18

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Solution

The fourth proportional to 117,080.67, 175,621.01 and 28,334.18 is: 42,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,080.67 : 175,621.01 = 28,334.18 : x
  2. Step 2: Convert to fraction form
    117,080.67/175,621.01 = 28,334.18/x
  3. Step 3: Cross multiply
    117,080.67x = 175,621.01 × 28,334.18
  4. Step 4: Simplify right side
    117,080.67x = 4,976,077,819.01
  5. Step 5: Solve for x
    x = 4,976,077,819.01/117,080.67
  6. Step 6: Final answer
    x = 42,501.28

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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.