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Finding the Fourth Proportional to 133,053.40, 199,536.90 and 44,291.80

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Solution

The fourth proportional to 133,053.40, 199,536.90 and 44,291.80 is: 66,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.40 : 199,536.90 = 44,291.80 : x
  2. Step 2: Convert to fraction form
    133,053.40/199,536.90 = 44,291.80/x
  3. Step 3: Cross multiply
    133,053.40x = 199,536.90 × 44,291.80
  4. Step 4: Simplify right side
    133,053.40x = 8,837,848,467.42
  5. Step 5: Solve for x
    x = 8,837,848,467.42/133,053.40
  6. Step 6: Final answer
    x = 66,423.32

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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.