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Finding the Fourth Proportional to 96,092.80, 143,750.40 and 84,428.80

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Solution

The fourth proportional to 96,092.80, 143,750.40 and 84,428.80 is: 126,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,092.80 : 143,750.40 = 84,428.80 : x
  2. Step 2: Convert to fraction form
    96,092.80/143,750.40 = 84,428.80/x
  3. Step 3: Cross multiply
    96,092.80x = 143,750.40 × 84,428.80
  4. Step 4: Simplify right side
    96,092.80x = 12,136,673,771.52
  5. Step 5: Solve for x
    x = 12,136,673,771.52/96,092.80
  6. Step 6: Final answer
    x = 126,301.59

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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.