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Finding the Fourth Proportional to 29,404,146.80, 44,106,220.20 and 28,081,449.20

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Solution

The fourth proportional to 29,404,146.80, 44,106,220.20 and 28,081,449.20 is: 42,122,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404,146.80 : 44,106,220.20 = 28,081,449.20 : x
  2. Step 2: Convert to fraction form
    29,404,146.80/44,106,220.20 = 28,081,449.20/x
  3. Step 3: Cross multiply
    29,404,146.80x = 44,106,220.20 × 28,081,449.20
  4. Step 4: Simplify right side
    29,404,146.80x = 1,238,566,581,950,314
  5. Step 5: Solve for x
    x = 1,238,566,581,950,314/29,404,146.80
  6. Step 6: Final answer
    x = 42,122,173.80

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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.