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Finding the Fourth Proportional to 146,481.50, 201,782.93 and 124,901.01

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Solution

The fourth proportional to 146,481.50, 201,782.93 and 124,901.01 is: 172,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,481.50 : 201,782.93 = 124,901.01 : x
  2. Step 2: Convert to fraction form
    146,481.50/201,782.93 = 124,901.01/x
  3. Step 3: Cross multiply
    146,481.50x = 201,782.93 × 124,901.01
  4. Step 4: Simplify right side
    146,481.50x = 25,202,891,133.25
  5. Step 5: Solve for x
    x = 25,202,891,133.25/146,481.50
  6. Step 6: Final answer
    x = 172,055.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.