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Finding the Fourth Proportional to 101,563.94, 140,158.01 and 58,543.14

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Solution

The fourth proportional to 101,563.94, 140,158.01 and 58,543.14 is: 80,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,563.94 : 140,158.01 = 58,543.14 : x
  2. Step 2: Convert to fraction form
    101,563.94/140,158.01 = 58,543.14/x
  3. Step 3: Cross multiply
    101,563.94x = 140,158.01 × 58,543.14
  4. Step 4: Simplify right side
    101,563.94x = 8,205,289,708.84
  5. Step 5: Solve for x
    x = 8,205,289,708.84/101,563.94
  6. Step 6: Final answer
    x = 80,789.40

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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.