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Finding the Fourth Proportional to 200,362.52, 300,654.46 and 111,666.01

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Solution

The fourth proportional to 200,362.52, 300,654.46 and 111,666.01 is: 167,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,362.52 : 300,654.46 = 111,666.01 : x
  2. Step 2: Convert to fraction form
    200,362.52/300,654.46 = 111,666.01/x
  3. Step 3: Cross multiply
    200,362.52x = 300,654.46 × 111,666.01
  4. Step 4: Simplify right side
    200,362.52x = 33,572,883,936.90
  5. Step 5: Solve for x
    x = 33,572,883,936.90/200,362.52
  6. Step 6: Final answer
    x = 167,560.70

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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.