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Finding the Fourth Proportional to 266,567.82, 367,863.60 and 145,709.58

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Solution

The fourth proportional to 266,567.82, 367,863.60 and 145,709.58 is: 201,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,567.82 : 367,863.60 = 145,709.58 : x
  2. Step 2: Convert to fraction form
    266,567.82/367,863.60 = 145,709.58/x
  3. Step 3: Cross multiply
    266,567.82x = 367,863.60 × 145,709.58
  4. Step 4: Simplify right side
    266,567.82x = 53,601,250,653.29
  5. Step 5: Solve for x
    x = 53,601,250,653.29/266,567.82
  6. Step 6: Final answer
    x = 201,079.22

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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.