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Finding the Fourth Proportional to 364,042.95, 546,310.44 and 127,387.68

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Solution

The fourth proportional to 364,042.95, 546,310.44 and 127,387.68 is: 191,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,042.95 : 546,310.44 = 127,387.68 : x
  2. Step 2: Convert to fraction form
    364,042.95/546,310.44 = 127,387.68/x
  3. Step 3: Cross multiply
    364,042.95x = 546,310.44 × 127,387.68
  4. Step 4: Simplify right side
    364,042.95x = 69,593,219,511.38
  5. Step 5: Solve for x
    x = 69,593,219,511.38/364,042.95
  6. Step 6: Final answer
    x = 191,167.61

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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.