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Finding the Fourth Proportional to 238,957.01, 358,497.98 and 89,198.59

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Solution

The fourth proportional to 238,957.01, 358,497.98 and 89,198.59 is: 133,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,957.01 : 358,497.98 = 89,198.59 : x
  2. Step 2: Convert to fraction form
    238,957.01/358,497.98 = 89,198.59/x
  3. Step 3: Cross multiply
    238,957.01x = 358,497.98 × 89,198.59
  4. Step 4: Simplify right side
    238,957.01x = 31,977,514,755.69
  5. Step 5: Solve for x
    x = 31,977,514,755.69/238,957.01
  6. Step 6: Final answer
    x = 133,821.20

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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.