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Finding the Fourth Proportional to 308,665.60, 463,182.48 and 137,873.92

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Solution

The fourth proportional to 308,665.60, 463,182.48 and 137,873.92 is: 206,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,665.60 : 463,182.48 = 137,873.92 : x
  2. Step 2: Convert to fraction form
    308,665.60/463,182.48 = 137,873.92/x
  3. Step 3: Cross multiply
    308,665.60x = 463,182.48 × 137,873.92
  4. Step 4: Simplify right side
    308,665.60x = 63,860,784,192.92
  5. Step 5: Solve for x
    x = 63,860,784,192.92/308,665.60
  6. Step 6: Final answer
    x = 206,893.10

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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.