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Finding the Fourth Proportional to 125,295.58, 187,989.54 and 58,757.32

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Solution

The fourth proportional to 125,295.58, 187,989.54 and 58,757.32 is: 88,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,295.58 : 187,989.54 = 58,757.32 : x
  2. Step 2: Convert to fraction form
    125,295.58/187,989.54 = 58,757.32/x
  3. Step 3: Cross multiply
    125,295.58x = 187,989.54 × 58,757.32
  4. Step 4: Simplify right side
    125,295.58x = 11,045,761,558.43
  5. Step 5: Solve for x
    x = 11,045,761,558.43/125,295.58
  6. Step 6: Final answer
    x = 88,157.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.