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Finding the Fourth Proportional to 192,117.15, 287,789.90 and 95,763.80

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Solution

The fourth proportional to 192,117.15, 287,789.90 and 95,763.80 is: 143,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,117.15 : 287,789.90 = 95,763.80 : x
  2. Step 2: Convert to fraction form
    192,117.15/287,789.90 = 95,763.80/x
  3. Step 3: Cross multiply
    192,117.15x = 287,789.90 × 95,763.80
  4. Step 4: Simplify right side
    192,117.15x = 27,559,854,666.28
  5. Step 5: Solve for x
    x = 27,559,854,666.28/192,117.15
  6. Step 6: Final answer
    x = 143,453.38

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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.