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Finding the Fourth Proportional to 133,044.60, 199,664.10 and 93,678.60

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Solution

The fourth proportional to 133,044.60, 199,664.10 and 93,678.60 is: 140,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.60 : 199,664.10 = 93,678.60 : x
  2. Step 2: Convert to fraction form
    133,044.60/199,664.10 = 93,678.60/x
  3. Step 3: Cross multiply
    133,044.60x = 199,664.10 × 93,678.60
  4. Step 4: Simplify right side
    133,044.60x = 18,704,253,358.26
  5. Step 5: Solve for x
    x = 18,704,253,358.26/133,044.60
  6. Step 6: Final answer
    x = 140,586.34

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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.