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Finding the Fourth Proportional to 96,003.40, 143,810.70 and 54,401.80

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Solution

The fourth proportional to 96,003.40, 143,810.70 and 54,401.80 is: 81,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,003.40 : 143,810.70 = 54,401.80 : x
  2. Step 2: Convert to fraction form
    96,003.40/143,810.70 = 54,401.80/x
  3. Step 3: Cross multiply
    96,003.40x = 143,810.70 × 54,401.80
  4. Step 4: Simplify right side
    96,003.40x = 7,823,560,939.26
  5. Step 5: Solve for x
    x = 7,823,560,939.26/96,003.40
  6. Step 6: Final answer
    x = 81,492.54

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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.