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Finding the Fourth Proportional to 235,712.13, 325,300.10 and 133,755.09

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Solution

The fourth proportional to 235,712.13, 325,300.10 and 133,755.09 is: 184,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,712.13 : 325,300.10 = 133,755.09 : x
  2. Step 2: Convert to fraction form
    235,712.13/325,300.10 = 133,755.09/x
  3. Step 3: Cross multiply
    235,712.13x = 325,300.10 × 133,755.09
  4. Step 4: Simplify right side
    235,712.13x = 43,510,543,483.73
  5. Step 5: Solve for x
    x = 43,510,543,483.73/235,712.13
  6. Step 6: Final answer
    x = 184,591.87

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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.