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Finding the Fourth Proportional to 143,801,652.85, 215,702,479.28 and 143,801,652.85

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Solution

The fourth proportional to 143,801,652.85, 215,702,479.28 and 143,801,652.85 is: 215,702,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,801,652.85 : 215,702,479.28 = 143,801,652.85 : x
  2. Step 2: Convert to fraction form
    143,801,652.85/215,702,479.28 = 143,801,652.85/x
  3. Step 3: Cross multiply
    143,801,652.85x = 215,702,479.28 × 143,801,652.85
  4. Step 4: Simplify right side
    143,801,652.85x = 31,018,373,043,587,868
  5. Step 5: Solve for x
    x = 31,018,373,043,587,868/143,801,652.85
  6. Step 6: Final answer
    x = 215,702,479.28

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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.