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Finding the Fourth Proportional to 101,697.47, 140,313.52 and 58,673.57

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Solution

The fourth proportional to 101,697.47, 140,313.52 and 58,673.57 is: 80,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,697.47 : 140,313.52 = 58,673.57 : x
  2. Step 2: Convert to fraction form
    101,697.47/140,313.52 = 58,673.57/x
  3. Step 3: Cross multiply
    101,697.47x = 140,313.52 × 58,673.57
  4. Step 4: Simplify right side
    101,697.47x = 8,232,694,179.40
  5. Step 5: Solve for x
    x = 8,232,694,179.40/101,697.47
  6. Step 6: Final answer
    x = 80,952.79

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1.5x scale

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.