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Finding the Fourth Proportional to 95,881.70, 143,701.05 and 36,638.30

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Solution

The fourth proportional to 95,881.70, 143,701.05 and 36,638.30 is: 54,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.70 : 143,701.05 = 36,638.30 : x
  2. Step 2: Convert to fraction form
    95,881.70/143,701.05 = 36,638.30/x
  3. Step 3: Cross multiply
    95,881.70x = 143,701.05 × 36,638.30
  4. Step 4: Simplify right side
    95,881.70x = 5,264,962,180.22
  5. Step 5: Solve for x
    x = 5,264,962,180.22/95,881.70
  6. Step 6: Final answer
    x = 54,911.02

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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.