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Finding the Fourth Proportional to 235,708.68, 325,285.29 and 133,738.47

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Solution

The fourth proportional to 235,708.68, 325,285.29 and 133,738.47 is: 184,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,708.68 : 325,285.29 = 133,738.47 : x
  2. Step 2: Convert to fraction form
    235,708.68/325,285.29 = 133,738.47/x
  3. Step 3: Cross multiply
    235,708.68x = 325,285.29 × 133,738.47
  4. Step 4: Simplify right side
    235,708.68x = 43,503,156,998.11
  5. Step 5: Solve for x
    x = 43,503,156,998.11/235,708.68
  6. Step 6: Final answer
    x = 184,563.24

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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.