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Finding the Fourth Proportional to 240,969.78, 361,578.60 and 114,753.15

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Solution

The fourth proportional to 240,969.78, 361,578.60 and 114,753.15 is: 172,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,969.78 : 361,578.60 = 114,753.15 : x
  2. Step 2: Convert to fraction form
    240,969.78/361,578.60 = 114,753.15/x
  3. Step 3: Cross multiply
    240,969.78x = 361,578.60 × 114,753.15
  4. Step 4: Simplify right side
    240,969.78x = 41,492,283,322.59
  5. Step 5: Solve for x
    x = 41,492,283,322.59/240,969.78
  6. Step 6: Final answer
    x = 172,188.74

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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.