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Finding the Fourth Proportional to 101,179.53, 139,637.70 and 58,735.53

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Solution

The fourth proportional to 101,179.53, 139,637.70 and 58,735.53 is: 81,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179.53 : 139,637.70 = 58,735.53 : x
  2. Step 2: Convert to fraction form
    101,179.53/139,637.70 = 58,735.53/x
  3. Step 3: Cross multiply
    101,179.53x = 139,637.70 × 58,735.53
  4. Step 4: Simplify right side
    101,179.53x = 8,201,694,317.48
  5. Step 5: Solve for x
    x = 8,201,694,317.48/101,179.53
  6. Step 6: Final answer
    x = 81,060.81

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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.