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Finding the Fourth Proportional to 31,190,958.30, 46,702,456.65 and 31,190,958.30

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Solution

The fourth proportional to 31,190,958.30, 46,702,456.65 and 31,190,958.30 is: 46,702,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190,958.30 : 46,702,456.65 = 31,190,958.30 : x
  2. Step 2: Convert to fraction form
    31,190,958.30/46,702,456.65 = 31,190,958.30/x
  3. Step 3: Cross multiply
    31,190,958.30x = 46,702,456.65 × 31,190,958.30
  4. Step 4: Simplify right side
    31,190,958.30x = 1,456,694,377,877,707.75
  5. Step 5: Solve for x
    x = 1,456,694,377,877,707.75/31,190,958.30
  6. Step 6: Final answer
    x = 46,702,456.65

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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.