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Finding the Fourth Proportional to 235,671.35, 325,227.17 and 128,241.41

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Solution

The fourth proportional to 235,671.35, 325,227.17 and 128,241.41 is: 176,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,671.35 : 325,227.17 = 128,241.41 : x
  2. Step 2: Convert to fraction form
    235,671.35/325,227.17 = 128,241.41/x
  3. Step 3: Cross multiply
    235,671.35x = 325,227.17 × 128,241.41
  4. Step 4: Simplify right side
    235,671.35x = 41,707,590,209.90
  5. Step 5: Solve for x
    x = 41,707,590,209.90/235,671.35
  6. Step 6: Final answer
    x = 176,973.53

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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.