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Finding the Fourth Proportional to 236,393.60, 326,265.48 and 140,906.48

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Solution

The fourth proportional to 236,393.60, 326,265.48 and 140,906.48 is: 194,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,393.60 : 326,265.48 = 140,906.48 : x
  2. Step 2: Convert to fraction form
    236,393.60/326,265.48 = 140,906.48/x
  3. Step 3: Cross multiply
    236,393.60x = 326,265.48 × 140,906.48
  4. Step 4: Simplify right side
    236,393.60x = 45,972,920,332.31
  5. Step 5: Solve for x
    x = 45,972,920,332.31/236,393.60
  6. Step 6: Final answer
    x = 194,476.16

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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.