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Finding the Fourth Proportional to 274,117.50, 411,236.73 and 116,480.70

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Solution

The fourth proportional to 274,117.50, 411,236.73 and 116,480.70 is: 174,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,117.50 : 411,236.73 = 116,480.70 : x
  2. Step 2: Convert to fraction form
    274,117.50/411,236.73 = 116,480.70/x
  3. Step 3: Cross multiply
    274,117.50x = 411,236.73 × 116,480.70
  4. Step 4: Simplify right side
    274,117.50x = 47,901,142,176.11
  5. Step 5: Solve for x
    x = 47,901,142,176.11/274,117.50
  6. Step 6: Final answer
    x = 174,746.75

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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.