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Finding the Fourth Proportional to 266,134,328.80, 399,107,014.80 and 184,253,048.80

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Solution

The fourth proportional to 266,134,328.80, 399,107,014.80 and 184,253,048.80 is: 276,314,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,134,328.80 : 399,107,014.80 = 184,253,048.80 : x
  2. Step 2: Convert to fraction form
    266,134,328.80/399,107,014.80 = 184,253,048.80/x
  3. Step 3: Cross multiply
    266,134,328.80x = 399,107,014.80 × 184,253,048.80
  4. Step 4: Simplify right side
    266,134,328.80x = 73,536,684,274,366,736
  5. Step 5: Solve for x
    x = 73,536,684,274,366,736/266,134,328.80
  6. Step 6: Final answer
    x = 276,314,162.87

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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.