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Finding the Fourth Proportional to 125,446.96, 188,258.64 and 58,889.26

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Solution

The fourth proportional to 125,446.96, 188,258.64 and 58,889.26 is: 88,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,446.96 : 188,258.64 = 58,889.26 : x
  2. Step 2: Convert to fraction form
    125,446.96/188,258.64 = 58,889.26/x
  3. Step 3: Cross multiply
    125,446.96x = 188,258.64 × 58,889.26
  4. Step 4: Simplify right side
    125,446.96x = 11,086,411,998.21
  5. Step 5: Solve for x
    x = 11,086,411,998.21/125,446.96
  6. Step 6: Final answer
    x = 88,375.29

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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.