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Finding the Fourth Proportional to 360,490.50, 540,743.04 and 111,172.50

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Solution

The fourth proportional to 360,490.50, 540,743.04 and 111,172.50 is: 166,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,490.50 : 540,743.04 = 111,172.50 : x
  2. Step 2: Convert to fraction form
    360,490.50/540,743.04 = 111,172.50/x
  3. Step 3: Cross multiply
    360,490.50x = 540,743.04 × 111,172.50
  4. Step 4: Simplify right side
    360,490.50x = 60,115,755,614.40
  5. Step 5: Solve for x
    x = 60,115,755,614.40/360,490.50
  6. Step 6: Final answer
    x = 166,761.00

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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.