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Finding the Fourth Proportional to 91,606,996.80, 137,410,407.71 and 23,449,579.20

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Solution

The fourth proportional to 91,606,996.80, 137,410,407.71 and 23,449,579.20 is: 35,174,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,606,996.80 : 137,410,407.71 = 23,449,579.20 : x
  2. Step 2: Convert to fraction form
    91,606,996.80/137,410,407.71 = 23,449,579.20/x
  3. Step 3: Cross multiply
    91,606,996.80x = 137,410,407.71 × 23,449,579.20
  4. Step 4: Simplify right side
    91,606,996.80x = 3,222,216,238,382,688
  5. Step 5: Solve for x
    x = 3,222,216,238,382,688/91,606,996.80
  6. Step 6: Final answer
    x = 35,174,346.40

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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.