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Finding the Fourth Proportional to 133,076.40, 199,614.60 and 39,582.15

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Solution

The fourth proportional to 133,076.40, 199,614.60 and 39,582.15 is: 59,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.40 : 199,614.60 = 39,582.15 : x
  2. Step 2: Convert to fraction form
    133,076.40/199,614.60 = 39,582.15/x
  3. Step 3: Cross multiply
    133,076.40x = 199,614.60 × 39,582.15
  4. Step 4: Simplify right side
    133,076.40x = 7,901,175,039.39
  5. Step 5: Solve for x
    x = 7,901,175,039.39/133,076.40
  6. Step 6: Final answer
    x = 59,373.23

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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.