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Finding the Fourth Proportional to 158,885.34, 238,327.80 and 40,556.70

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Solution

The fourth proportional to 158,885.34, 238,327.80 and 40,556.70 is: 60,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,885.34 : 238,327.80 = 40,556.70 : x
  2. Step 2: Convert to fraction form
    158,885.34/238,327.80 = 40,556.70/x
  3. Step 3: Cross multiply
    158,885.34x = 238,327.80 × 40,556.70
  4. Step 4: Simplify right side
    158,885.34x = 9,665,789,086.26
  5. Step 5: Solve for x
    x = 9,665,789,086.26/158,885.34
  6. Step 6: Final answer
    x = 60,835.00

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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.