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Finding the Fourth Proportional to 270,052.08, 404,827.70 and 92,516.90

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Solution

The fourth proportional to 270,052.08, 404,827.70 and 92,516.90 is: 138,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,052.08 : 404,827.70 = 92,516.90 : x
  2. Step 2: Convert to fraction form
    270,052.08/404,827.70 = 92,516.90/x
  3. Step 3: Cross multiply
    270,052.08x = 404,827.70 × 92,516.90
  4. Step 4: Simplify right side
    270,052.08x = 37,453,403,838.13
  5. Step 5: Solve for x
    x = 37,453,403,838.13/270,052.08
  6. Step 6: Final answer
    x = 138,689.56

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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.