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Finding the Fourth Proportional to 80,160.92, 110,602.16 and 51,832.52

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Solution

The fourth proportional to 80,160.92, 110,602.16 and 51,832.52 is: 71,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,160.92 : 110,602.16 = 51,832.52 : x
  2. Step 2: Convert to fraction form
    80,160.92/110,602.16 = 51,832.52/x
  3. Step 3: Cross multiply
    80,160.92x = 110,602.16 × 51,832.52
  4. Step 4: Simplify right side
    80,160.92x = 5,732,788,670.24
  5. Step 5: Solve for x
    x = 5,732,788,670.24/80,160.92
  6. Step 6: Final answer
    x = 71,516.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.