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Finding the Fourth Proportional to 125,918.60, 188,898.40 and 37,181.08

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Solution

The fourth proportional to 125,918.60, 188,898.40 and 37,181.08 is: 55,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,918.60 : 188,898.40 = 37,181.08 : x
  2. Step 2: Convert to fraction form
    125,918.60/188,898.40 = 37,181.08/x
  3. Step 3: Cross multiply
    125,918.60x = 188,898.40 × 37,181.08
  4. Step 4: Simplify right side
    125,918.60x = 7,023,446,522.27
  5. Step 5: Solve for x
    x = 7,023,446,522.27/125,918.60
  6. Step 6: Final answer
    x = 55,777.67

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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.