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Finding the Fourth Proportional to 238,957.44, 358,186.08 and 89,137.44

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Solution

The fourth proportional to 238,957.44, 358,186.08 and 89,137.44 is: 133,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,957.44 : 358,186.08 = 89,137.44 : x
  2. Step 2: Convert to fraction form
    238,957.44/358,186.08 = 89,137.44/x
  3. Step 3: Cross multiply
    238,957.44x = 358,186.08 × 89,137.44
  4. Step 4: Simplify right side
    238,957.44x = 31,927,790,214.84
  5. Step 5: Solve for x
    x = 31,927,790,214.84/238,957.44
  6. Step 6: Final answer
    x = 133,612.87

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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.