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Finding the Fourth Proportional to 274,500.21, 411,671.10 and 94,578.30

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Solution

The fourth proportional to 274,500.21, 411,671.10 and 94,578.30 is: 141,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,500.21 : 411,671.10 = 94,578.30 : x
  2. Step 2: Convert to fraction form
    274,500.21/411,671.10 = 94,578.30/x
  3. Step 3: Cross multiply
    274,500.21x = 411,671.10 × 94,578.30
  4. Step 4: Simplify right side
    274,500.21x = 38,935,152,797.13
  5. Step 5: Solve for x
    x = 38,935,152,797.13/274,500.21
  6. Step 6: Final answer
    x = 141,840.16

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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.