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Finding the Fourth Proportional to 158,878.44, 238,317.54 and 40,549.80

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Solution

The fourth proportional to 158,878.44, 238,317.54 and 40,549.80 is: 60,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,878.44 : 238,317.54 = 40,549.80 : x
  2. Step 2: Convert to fraction form
    158,878.44/238,317.54 = 40,549.80/x
  3. Step 3: Cross multiply
    158,878.44x = 238,317.54 × 40,549.80
  4. Step 4: Simplify right side
    158,878.44x = 9,663,728,583.49
  5. Step 5: Solve for x
    x = 9,663,728,583.49/158,878.44
  6. Step 6: Final answer
    x = 60,824.67

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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.