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Finding the Fourth Proportional to 149,869.80, 224,772.30 and 65,629.80

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Solution

The fourth proportional to 149,869.80, 224,772.30 and 65,629.80 is: 98,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,869.80 : 224,772.30 = 65,629.80 : x
  2. Step 2: Convert to fraction form
    149,869.80/224,772.30 = 65,629.80/x
  3. Step 3: Cross multiply
    149,869.80x = 224,772.30 × 65,629.80
  4. Step 4: Simplify right side
    149,869.80x = 14,751,761,094.54
  5. Step 5: Solve for x
    x = 14,751,761,094.54/149,869.80
  6. Step 6: Final answer
    x = 98,430.51

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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.