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Finding the Fourth Proportional to 136,363.99, 188,182.52 and 75,946.27

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Solution

The fourth proportional to 136,363.99, 188,182.52 and 75,946.27 is: 104,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.99 : 188,182.52 = 75,946.27 : x
  2. Step 2: Convert to fraction form
    136,363.99/188,182.52 = 75,946.27/x
  3. Step 3: Cross multiply
    136,363.99x = 188,182.52 × 75,946.27
  4. Step 4: Simplify right side
    136,363.99x = 14,291,760,473.20
  5. Step 5: Solve for x
    x = 14,291,760,473.20/136,363.99
  6. Step 6: Final answer
    x = 104,805.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.