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Finding the Fourth Proportional to 125,606.31, 188,154.81 and 58,042.23

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Solution

The fourth proportional to 125,606.31, 188,154.81 and 58,042.23 is: 86,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,606.31 : 188,154.81 = 58,042.23 : x
  2. Step 2: Convert to fraction form
    125,606.31/188,154.81 = 58,042.23/x
  3. Step 3: Cross multiply
    125,606.31x = 188,154.81 × 58,042.23
  4. Step 4: Simplify right side
    125,606.31x = 10,920,924,757.63
  5. Step 5: Solve for x
    x = 10,920,924,757.63/125,606.31
  6. Step 6: Final answer
    x = 86,945.67

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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.