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Finding the Fourth Proportional to 236,906.74, 326,930.76 and 134,932.18

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Solution

The fourth proportional to 236,906.74, 326,930.76 and 134,932.18 is: 186,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,906.74 : 326,930.76 = 134,932.18 : x
  2. Step 2: Convert to fraction form
    236,906.74/326,930.76 = 134,932.18/x
  3. Step 3: Cross multiply
    236,906.74x = 326,930.76 × 134,932.18
  4. Step 4: Simplify right side
    236,906.74x = 44,113,480,155.86
  5. Step 5: Solve for x
    x = 44,113,480,155.86/236,906.74
  6. Step 6: Final answer
    x = 186,206.10

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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.