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Finding the Fourth Proportional to 149,995.40, 225,050.70 and 147,633.80

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Solution

The fourth proportional to 149,995.40, 225,050.70 and 147,633.80 is: 221,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,995.40 : 225,050.70 = 147,633.80 : x
  2. Step 2: Convert to fraction form
    149,995.40/225,050.70 = 147,633.80/x
  3. Step 3: Cross multiply
    149,995.40x = 225,050.70 × 147,633.80
  4. Step 4: Simplify right side
    149,995.40x = 33,225,090,033.66
  5. Step 5: Solve for x
    x = 33,225,090,033.66/149,995.40
  6. Step 6: Final answer
    x = 221,507.39

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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.