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Finding the Fourth Proportional to 274,527.92, 411,485.88 and 124,543.28

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Solution

The fourth proportional to 274,527.92, 411,485.88 and 124,543.28 is: 186,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,527.92 : 411,485.88 = 124,543.28 : x
  2. Step 2: Convert to fraction form
    274,527.92/411,485.88 = 124,543.28/x
  3. Step 3: Cross multiply
    274,527.92x = 411,485.88 × 124,543.28
  4. Step 4: Simplify right side
    274,527.92x = 51,247,801,168.89
  5. Step 5: Solve for x
    x = 51,247,801,168.89/274,527.92
  6. Step 6: Final answer
    x = 186,676.10

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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.