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Finding the Fourth Proportional to 158,878.59, 238,317.68 and 40,549.94

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Solution

The fourth proportional to 158,878.59, 238,317.68 and 40,549.94 is: 60,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,878.59 : 238,317.68 = 40,549.94 : x
  2. Step 2: Convert to fraction form
    158,878.59/238,317.68 = 40,549.94/x
  3. Step 3: Cross multiply
    158,878.59x = 238,317.68 × 40,549.94
  4. Step 4: Simplify right side
    158,878.59x = 9,663,766,230.60
  5. Step 5: Solve for x
    x = 9,663,766,230.60/158,878.59
  6. Step 6: Final answer
    x = 60,824.85

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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.