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Finding the Fourth Proportional to 94,797.12, 130,814.64 and 54,504.48

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Solution

The fourth proportional to 94,797.12, 130,814.64 and 54,504.48 is: 75,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,797.12 : 130,814.64 = 54,504.48 : x
  2. Step 2: Convert to fraction form
    94,797.12/130,814.64 = 54,504.48/x
  3. Step 3: Cross multiply
    94,797.12x = 130,814.64 × 54,504.48
  4. Step 4: Simplify right side
    94,797.12x = 7,129,983,929.59
  5. Step 5: Solve for x
    x = 7,129,983,929.59/94,797.12
  6. Step 6: Final answer
    x = 75,213.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.