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Finding the Fourth Proportional to 266,590.79, 367,896.02 and 145,733.52

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Solution

The fourth proportional to 266,590.79, 367,896.02 and 145,733.52 is: 201,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,590.79 : 367,896.02 = 145,733.52 : x
  2. Step 2: Convert to fraction form
    266,590.79/367,896.02 = 145,733.52/x
  3. Step 3: Cross multiply
    266,590.79x = 367,896.02 × 145,733.52
  4. Step 4: Simplify right side
    266,590.79x = 53,614,781,988.59
  5. Step 5: Solve for x
    x = 53,614,781,988.59/266,590.79
  6. Step 6: Final answer
    x = 201,112.66

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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.