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Finding the Fourth Proportional to 266,958,409.80, 400,437,614.70 and 94,629,808.20

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Solution

The fourth proportional to 266,958,409.80, 400,437,614.70 and 94,629,808.20 is: 141,944,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,958,409.80 : 400,437,614.70 = 94,629,808.20 : x
  2. Step 2: Convert to fraction form
    266,958,409.80/400,437,614.70 = 94,629,808.20/x
  3. Step 3: Cross multiply
    266,958,409.80x = 400,437,614.70 × 94,629,808.20
  4. Step 4: Simplify right side
    266,958,409.80x = 37,893,334,675,126,504
  5. Step 5: Solve for x
    x = 37,893,334,675,126,504/266,958,409.80
  6. Step 6: Final answer
    x = 141,944,712.30

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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.