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Finding the Fourth Proportional to 74,773,504.92, 103,187,579.60 and 41,283,048.77

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Solution

The fourth proportional to 74,773,504.92, 103,187,579.60 and 41,283,048.77 is: 56,970,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773,504.92 : 103,187,579.60 = 41,283,048.77 : x
  2. Step 2: Convert to fraction form
    74,773,504.92/103,187,579.60 = 41,283,048.77/x
  3. Step 3: Cross multiply
    74,773,504.92x = 103,187,579.60 × 41,283,048.77
  4. Step 4: Simplify right side
    74,773,504.92x = 4,259,897,880,362,704
  5. Step 5: Solve for x
    x = 4,259,897,880,362,704/74,773,504.92
  6. Step 6: Final answer
    x = 56,970,686.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.