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Finding the Fourth Proportional to 211,141.44, 316,704.48 and 63,393.60

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Solution

The fourth proportional to 211,141.44, 316,704.48 and 63,393.60 is: 95,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,141.44 : 316,704.48 = 63,393.60 : x
  2. Step 2: Convert to fraction form
    211,141.44/316,704.48 = 63,393.60/x
  3. Step 3: Cross multiply
    211,141.44x = 316,704.48 × 63,393.60
  4. Step 4: Simplify right side
    211,141.44x = 20,077,037,123.33
  5. Step 5: Solve for x
    x = 20,077,037,123.33/211,141.44
  6. Step 6: Final answer
    x = 95,088.09

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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.