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Finding the Fourth Proportional to 125,859.18, 188,788.54 and 37,174.96

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Solution

The fourth proportional to 125,859.18, 188,788.54 and 37,174.96 is: 55,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,859.18 : 188,788.54 = 37,174.96 : x
  2. Step 2: Convert to fraction form
    125,859.18/188,788.54 = 37,174.96/x
  3. Step 3: Cross multiply
    125,859.18x = 188,788.54 × 37,174.96
  4. Step 4: Simplify right side
    125,859.18x = 7,018,206,330.02
  5. Step 5: Solve for x
    x = 7,018,206,330.02/125,859.18
  6. Step 6: Final answer
    x = 55,762.37

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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.