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Finding the Fourth Proportional to 233,670.87, 322,465.95 and 126,240.86

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Solution

The fourth proportional to 233,670.87, 322,465.95 and 126,240.86 is: 174,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,670.87 : 322,465.95 = 126,240.86 : x
  2. Step 2: Convert to fraction form
    233,670.87/322,465.95 = 126,240.86/x
  3. Step 3: Cross multiply
    233,670.87x = 322,465.95 × 126,240.86
  4. Step 4: Simplify right side
    233,670.87x = 40,708,377,236.39
  5. Step 5: Solve for x
    x = 40,708,377,236.39/233,670.87
  6. Step 6: Final answer
    x = 174,212.46

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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.