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Finding the Fourth Proportional to 107,060.54, 147,745.43 and 58,659.30

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Solution

The fourth proportional to 107,060.54, 147,745.43 and 58,659.30 is: 80,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,060.54 : 147,745.43 = 58,659.30 : x
  2. Step 2: Convert to fraction form
    107,060.54/147,745.43 = 58,659.30/x
  3. Step 3: Cross multiply
    107,060.54x = 147,745.43 × 58,659.30
  4. Step 4: Simplify right side
    107,060.54x = 8,666,642,848.16
  5. Step 5: Solve for x
    x = 8,666,642,848.16/107,060.54
  6. Step 6: Final answer
    x = 80,950.86

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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.