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Finding the Fourth Proportional to 235,778.00, 325,373.66 and 128,348.82

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Solution

The fourth proportional to 235,778.00, 325,373.66 and 128,348.82 is: 177,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,778.00 : 325,373.66 = 128,348.82 : x
  2. Step 2: Convert to fraction form
    235,778.00/325,373.66 = 128,348.82/x
  3. Step 3: Cross multiply
    235,778.00x = 325,373.66 × 128,348.82
  4. Step 4: Simplify right side
    235,778.00x = 41,761,324,678.34
  5. Step 5: Solve for x
    x = 41,761,324,678.34/235,778.00
  6. Step 6: Final answer
    x = 177,121.38

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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.