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Finding the Fourth Proportional to 266,438.39, 367,674.03 and 145,583.82

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Solution

The fourth proportional to 266,438.39, 367,674.03 and 145,583.82 is: 200,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,438.39 : 367,674.03 = 145,583.82 : x
  2. Step 2: Convert to fraction form
    266,438.39/367,674.03 = 145,583.82/x
  3. Step 3: Cross multiply
    266,438.39x = 367,674.03 × 145,583.82
  4. Step 4: Simplify right side
    266,438.39x = 53,527,389,802.19
  5. Step 5: Solve for x
    x = 53,527,389,802.19/266,438.39
  6. Step 6: Final answer
    x = 200,899.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.