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Finding the Fourth Proportional to 29,230,311.15, 40,989,620.25 and 29,230,311.15

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Solution

The fourth proportional to 29,230,311.15, 40,989,620.25 and 29,230,311.15 is: 40,989,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230,311.15 : 40,989,620.25 = 29,230,311.15 : x
  2. Step 2: Convert to fraction form
    29,230,311.15/40,989,620.25 = 29,230,311.15/x
  3. Step 3: Cross multiply
    29,230,311.15x = 40,989,620.25 × 29,230,311.15
  4. Step 4: Simplify right side
    29,230,311.15x = 1,198,139,353,827,840.75
  5. Step 5: Solve for x
    x = 1,198,139,353,827,840.75/29,230,311.15
  6. Step 6: Final answer
    x = 40,989,620.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.