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Finding the Fourth Proportional to 143,818.89, 215,652.34 and 63,822.10

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Solution

The fourth proportional to 143,818.89, 215,652.34 and 63,822.10 is: 95,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,818.89 : 215,652.34 = 63,822.10 : x
  2. Step 2: Convert to fraction form
    143,818.89/215,652.34 = 63,822.10/x
  3. Step 3: Cross multiply
    143,818.89x = 215,652.34 × 63,822.10
  4. Step 4: Simplify right side
    143,818.89x = 13,763,385,208.71
  5. Step 5: Solve for x
    x = 13,763,385,208.71/143,818.89
  6. Step 6: Final answer
    x = 95,699.43

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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.