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Finding the Fourth Proportional to 54,373.20, 81,406.20 and 52,837.20

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Solution

The fourth proportional to 54,373.20, 81,406.20 and 52,837.20 is: 79,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.20 : 81,406.20 = 52,837.20 : x
  2. Step 2: Convert to fraction form
    54,373.20/81,406.20 = 52,837.20/x
  3. Step 3: Cross multiply
    54,373.20x = 81,406.20 × 52,837.20
  4. Step 4: Simplify right side
    54,373.20x = 4,301,275,670.64
  5. Step 5: Solve for x
    x = 4,301,275,670.64/54,373.20
  6. Step 6: Final answer
    x = 79,106.54

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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.