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Finding the Fourth Proportional to 236,833.36, 326,833.86 and 141,395.92

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Solution

The fourth proportional to 236,833.36, 326,833.86 and 141,395.92 is: 195,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,833.36 : 326,833.86 = 141,395.92 : x
  2. Step 2: Convert to fraction form
    236,833.36/326,833.86 = 141,395.92/x
  3. Step 3: Cross multiply
    236,833.36x = 326,833.86 × 141,395.92
  4. Step 4: Simplify right side
    236,833.36x = 46,212,974,321.85
  5. Step 5: Solve for x
    x = 46,212,974,321.85/236,833.36
  6. Step 6: Final answer
    x = 195,128.65

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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.