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Finding the Fourth Proportional to 73,478.28, 110,266.47 and 26,731.16

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Solution

The fourth proportional to 73,478.28, 110,266.47 and 26,731.16 is: 40,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.28 : 110,266.47 = 26,731.16 : x
  2. Step 2: Convert to fraction form
    73,478.28/110,266.47 = 26,731.16/x
  3. Step 3: Cross multiply
    73,478.28x = 110,266.47 × 26,731.16
  4. Step 4: Simplify right side
    73,478.28x = 2,947,550,100.87
  5. Step 5: Solve for x
    x = 2,947,550,100.87/73,478.28
  6. Step 6: Final answer
    x = 40,114.58

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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.