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Finding the Fourth Proportional to 266,970,556.80, 400,455,835.20 and 94,641,955.20

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Solution

The fourth proportional to 266,970,556.80, 400,455,835.20 and 94,641,955.20 is: 141,962,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,970,556.80 : 400,455,835.20 = 94,641,955.20 : x
  2. Step 2: Convert to fraction form
    266,970,556.80/400,455,835.20 = 94,641,955.20/x
  3. Step 3: Cross multiply
    266,970,556.80x = 400,455,835.20 × 94,641,955.20
  4. Step 4: Simplify right side
    266,970,556.80x = 37,899,923,214,576,984
  5. Step 5: Solve for x
    x = 37,899,923,214,576,984/266,970,556.80
  6. Step 6: Final answer
    x = 141,962,932.80

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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.