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Finding the Fourth Proportional to 31,157,998.40, 46,736,997.60 and 31,157,998.40

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Solution

The fourth proportional to 31,157,998.40, 46,736,997.60 and 31,157,998.40 is: 46,736,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157,998.40 : 46,736,997.60 = 31,157,998.40 : x
  2. Step 2: Convert to fraction form
    31,157,998.40/46,736,997.60 = 31,157,998.40/x
  3. Step 3: Cross multiply
    31,157,998.40x = 46,736,997.60 × 31,157,998.40
  4. Step 4: Simplify right side
    31,157,998.40x = 1,456,231,296,441,603.75
  5. Step 5: Solve for x
    x = 1,456,231,296,441,603.75/31,157,998.40
  6. Step 6: Final answer
    x = 46,736,997.60

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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.