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Finding the Fourth Proportional to 143,801,640.10, 215,702,460.15 and 143,801,640.10

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Solution

The fourth proportional to 143,801,640.10, 215,702,460.15 and 143,801,640.10 is: 215,702,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,801,640.10 : 215,702,460.15 = 143,801,640.10 : x
  2. Step 2: Convert to fraction form
    143,801,640.10/215,702,460.15 = 143,801,640.10/x
  3. Step 3: Cross multiply
    143,801,640.10x = 215,702,460.15 × 143,801,640.10
  4. Step 4: Simplify right side
    143,801,640.10x = 31,018,367,543,174,892
  5. Step 5: Solve for x
    x = 31,018,367,543,174,892/143,801,640.10
  6. Step 6: Final answer
    x = 215,702,460.15

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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.