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Finding the Fourth Proportional to 86,968.74, 130,454.01 and 27,803.10

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Solution

The fourth proportional to 86,968.74, 130,454.01 and 27,803.10 is: 41,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968.74 : 130,454.01 = 27,803.10 : x
  2. Step 2: Convert to fraction form
    86,968.74/130,454.01 = 27,803.10/x
  3. Step 3: Cross multiply
    86,968.74x = 130,454.01 × 27,803.10
  4. Step 4: Simplify right side
    86,968.74x = 3,627,025,885.43
  5. Step 5: Solve for x
    x = 3,627,025,885.43/86,968.74
  6. Step 6: Final answer
    x = 41,704.94

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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.