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Finding the Fourth Proportional to 274,101.70, 411,102.24 and 124,305.98

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Solution

The fourth proportional to 274,101.70, 411,102.24 and 124,305.98 is: 186,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,101.70 : 411,102.24 = 124,305.98 : x
  2. Step 2: Convert to fraction form
    274,101.70/411,102.24 = 124,305.98/x
  3. Step 3: Cross multiply
    274,101.70x = 411,102.24 × 124,305.98
  4. Step 4: Simplify right side
    274,101.70x = 51,102,466,823.40
  5. Step 5: Solve for x
    x = 51,102,466,823.40/274,101.70
  6. Step 6: Final answer
    x = 186,436.15

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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.