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Finding the Fourth Proportional to 95,423.80, 143,135.70 and 55,401.70

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Solution

The fourth proportional to 95,423.80, 143,135.70 and 55,401.70 is: 83,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,423.80 : 143,135.70 = 55,401.70 : x
  2. Step 2: Convert to fraction form
    95,423.80/143,135.70 = 55,401.70/x
  3. Step 3: Cross multiply
    95,423.80x = 143,135.70 × 55,401.70
  4. Step 4: Simplify right side
    95,423.80x = 7,929,961,110.69
  5. Step 5: Solve for x
    x = 7,929,961,110.69/95,423.80
  6. Step 6: Final answer
    x = 83,102.55

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1.5x scale

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.