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Finding the Fourth Proportional to 202,400.60, 303,687.30 and 97,165.40

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Solution

The fourth proportional to 202,400.60, 303,687.30 and 97,165.40 is: 145,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,400.60 : 303,687.30 = 97,165.40 : x
  2. Step 2: Convert to fraction form
    202,400.60/303,687.30 = 97,165.40/x
  3. Step 3: Cross multiply
    202,400.60x = 303,687.30 × 97,165.40
  4. Step 4: Simplify right side
    202,400.60x = 29,507,897,979.42
  5. Step 5: Solve for x
    x = 29,507,897,979.42/202,400.60
  6. Step 6: Final answer
    x = 145,789.58

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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.