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Finding the Fourth Proportional to 267,651,820.98, 401,409,612.90 and 83,384,950.90

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Solution

The fourth proportional to 267,651,820.98, 401,409,612.90 and 83,384,950.90 is: 125,056,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,651,820.98 : 401,409,612.90 = 83,384,950.90 : x
  2. Step 2: Convert to fraction form
    267,651,820.98/401,409,612.90 = 83,384,950.90/x
  3. Step 3: Cross multiply
    267,651,820.98x = 401,409,612.90 × 83,384,950.90
  4. Step 4: Simplify right side
    267,651,820.98x = 33,471,520,862,417,732
  5. Step 5: Solve for x
    x = 33,471,520,862,417,732/267,651,820.98
  6. Step 6: Final answer
    x = 125,056,204.51

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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.