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Finding the Fourth Proportional to 72,460.98, 108,696.13 and 25,080.64

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Solution

The fourth proportional to 72,460.98, 108,696.13 and 25,080.64 is: 37,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.98 : 108,696.13 = 25,080.64 : x
  2. Step 2: Convert to fraction form
    72,460.98/108,696.13 = 25,080.64/x
  3. Step 3: Cross multiply
    72,460.98x = 108,696.13 × 25,080.64
  4. Step 4: Simplify right side
    72,460.98x = 2,726,168,171.48
  5. Step 5: Solve for x
    x = 2,726,168,171.48/72,460.98
  6. Step 6: Final answer
    x = 37,622.57

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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.