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Finding the Fourth Proportional to 136,648.80, 188,649.60 and 94,434.24

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Solution

The fourth proportional to 136,648.80, 188,649.60 and 94,434.24 is: 130,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,648.80 : 188,649.60 = 94,434.24 : x
  2. Step 2: Convert to fraction form
    136,648.80/188,649.60 = 94,434.24/x
  3. Step 3: Cross multiply
    136,648.80x = 188,649.60 × 94,434.24
  4. Step 4: Simplify right side
    136,648.80x = 17,814,981,602.30
  5. Step 5: Solve for x
    x = 17,814,981,602.30/136,648.80
  6. Step 6: Final answer
    x = 130,370.57

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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.