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Finding the Fourth Proportional to 104,975,999.90, 157,463,999.85 and 104,975,999.90

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Solution

The fourth proportional to 104,975,999.90, 157,463,999.85 and 104,975,999.90 is: 157,463,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975,999.90 : 157,463,999.85 = 104,975,999.90 : x
  2. Step 2: Convert to fraction form
    104,975,999.90/157,463,999.85 = 104,975,999.90/x
  3. Step 3: Cross multiply
    104,975,999.90x = 157,463,999.85 × 104,975,999.90
  4. Step 4: Simplify right side
    104,975,999.90x = 16,529,940,832,507,200
  5. Step 5: Solve for x
    x = 16,529,940,832,507,200/104,975,999.90
  6. Step 6: Final answer
    x = 157,463,999.85

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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.