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Finding the Fourth Proportional to 153,114.78, 211,326.20 and 88,576.41

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Solution

The fourth proportional to 153,114.78, 211,326.20 and 88,576.41 is: 122,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,114.78 : 211,326.20 = 88,576.41 : x
  2. Step 2: Convert to fraction form
    153,114.78/211,326.20 = 88,576.41/x
  3. Step 3: Cross multiply
    153,114.78x = 211,326.20 × 88,576.41
  4. Step 4: Simplify right side
    153,114.78x = 18,718,515,692.06
  5. Step 5: Solve for x
    x = 18,718,515,692.06/153,114.78
  6. Step 6: Final answer
    x = 122,251.53

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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.