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Finding the Fourth Proportional to 40,726,940.30, 61,090,410.45 and 40,726,940.30

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Solution

The fourth proportional to 40,726,940.30, 61,090,410.45 and 40,726,940.30 is: 61,090,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726,940.30 : 61,090,410.45 = 40,726,940.30 : x
  2. Step 2: Convert to fraction form
    40,726,940.30/61,090,410.45 = 40,726,940.30/x
  3. Step 3: Cross multiply
    40,726,940.30x = 61,090,410.45 × 40,726,940.30
  4. Step 4: Simplify right side
    40,726,940.30x = 2,488,025,499,299,646
  5. Step 5: Solve for x
    x = 2,488,025,499,299,646/40,726,940.30
  6. Step 6: Final answer
    x = 61,090,410.45

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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.