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Finding the Fourth Proportional to 266,093.78, 399,204.45 and 88,602.39

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Solution

The fourth proportional to 266,093.78, 399,204.45 and 88,602.39 is: 132,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,093.78 : 399,204.45 = 88,602.39 : x
  2. Step 2: Convert to fraction form
    266,093.78/399,204.45 = 88,602.39/x
  3. Step 3: Cross multiply
    266,093.78x = 399,204.45 × 88,602.39
  4. Step 4: Simplify right side
    266,093.78x = 35,370,468,368.64
  5. Step 5: Solve for x
    x = 35,370,468,368.64/266,093.78
  6. Step 6: Final answer
    x = 132,924.82

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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.