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Finding the Fourth Proportional to 433,088.34, 649,668.75 and 113,239.59

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Solution

The fourth proportional to 433,088.34, 649,668.75 and 113,239.59 is: 169,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,088.34 : 649,668.75 = 113,239.59 : x
  2. Step 2: Convert to fraction form
    433,088.34/649,668.75 = 113,239.59/x
  3. Step 3: Cross multiply
    433,088.34x = 649,668.75 × 113,239.59
  4. Step 4: Simplify right side
    433,088.34x = 73,568,222,885.81
  5. Step 5: Solve for x
    x = 73,568,222,885.81/433,088.34
  6. Step 6: Final answer
    x = 169,868.86

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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.