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Finding the Fourth Proportional to 158,735.40, 238,104.42 and 40,406.76

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Solution

The fourth proportional to 158,735.40, 238,104.42 and 40,406.76 is: 60,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,735.40 : 238,104.42 = 40,406.76 : x
  2. Step 2: Convert to fraction form
    158,735.40/238,104.42 = 40,406.76/x
  3. Step 3: Cross multiply
    158,735.40x = 238,104.42 × 40,406.76
  4. Step 4: Simplify right side
    158,735.40x = 9,621,028,153.88
  5. Step 5: Solve for x
    x = 9,621,028,153.88/158,735.40
  6. Step 6: Final answer
    x = 60,610.48

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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.