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Finding the Fourth Proportional to 274,500.71, 411,671.85 and 94,578.80

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Solution

The fourth proportional to 274,500.71, 411,671.85 and 94,578.80 is: 141,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,500.71 : 411,671.85 = 94,578.80 : x
  2. Step 2: Convert to fraction form
    274,500.71/411,671.85 = 94,578.80/x
  3. Step 3: Cross multiply
    274,500.71x = 411,671.85 × 94,578.80
  4. Step 4: Simplify right side
    274,500.71x = 38,935,429,566.78
  5. Step 5: Solve for x
    x = 38,935,429,566.78/274,500.71
  6. Step 6: Final answer
    x = 141,840.91

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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.