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Finding the Fourth Proportional to 106,273.56, 146,656.40 and 58,525.90

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Solution

The fourth proportional to 106,273.56, 146,656.40 and 58,525.90 is: 80,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,273.56 : 146,656.40 = 58,525.90 : x
  2. Step 2: Convert to fraction form
    106,273.56/146,656.40 = 58,525.90/x
  3. Step 3: Cross multiply
    106,273.56x = 146,656.40 × 58,525.90
  4. Step 4: Simplify right side
    106,273.56x = 8,583,197,800.76
  5. Step 5: Solve for x
    x = 8,583,197,800.76/106,273.56
  6. Step 6: Final answer
    x = 80,765.13

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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.