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Finding the Fourth Proportional to 202,687.60, 303,637.68 and 97,580.32

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Solution

The fourth proportional to 202,687.60, 303,637.68 and 97,580.32 is: 146,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,687.60 : 303,637.68 = 97,580.32 : x
  2. Step 2: Convert to fraction form
    202,687.60/303,637.68 = 97,580.32/x
  3. Step 3: Cross multiply
    202,687.60x = 303,637.68 × 97,580.32
  4. Step 4: Simplify right side
    202,687.60x = 29,629,061,978.46
  5. Step 5: Solve for x
    x = 29,629,061,978.46/202,687.60
  6. Step 6: Final answer
    x = 146,180.93

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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.