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Finding the Fourth Proportional to 146,197.62, 201,753.32 and 79,129.62

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Solution

The fourth proportional to 146,197.62, 201,753.32 and 79,129.62 is: 109,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,197.62 : 201,753.32 = 79,129.62 : x
  2. Step 2: Convert to fraction form
    146,197.62/201,753.32 = 79,129.62/x
  3. Step 3: Cross multiply
    146,197.62x = 201,753.32 × 79,129.62
  4. Step 4: Simplify right side
    146,197.62x = 15,964,662,916.09
  5. Step 5: Solve for x
    x = 15,964,662,916.09/146,197.62
  6. Step 6: Final answer
    x = 109,199.20

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