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Finding the Fourth Proportional to 73,053.63, 109,414.37 and 57,159.61

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Solution

The fourth proportional to 73,053.63, 109,414.37 and 57,159.61 is: 85,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,053.63 : 109,414.37 = 57,159.61 : x
  2. Step 2: Convert to fraction form
    73,053.63/109,414.37 = 57,159.61/x
  3. Step 3: Cross multiply
    73,053.63x = 109,414.37 × 57,159.61
  4. Step 4: Simplify right side
    73,053.63x = 6,254,082,717.60
  5. Step 5: Solve for x
    x = 6,254,082,717.60/73,053.63
  6. Step 6: Final answer
    x = 85,609.47

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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.