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Finding the Fourth Proportional to 235,157.82, 324,426.33 and 133,159.86

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Solution

The fourth proportional to 235,157.82, 324,426.33 and 133,159.86 is: 183,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,157.82 : 324,426.33 = 133,159.86 : x
  2. Step 2: Convert to fraction form
    235,157.82/324,426.33 = 133,159.86/x
  3. Step 3: Cross multiply
    235,157.82x = 324,426.33 × 133,159.86
  4. Step 4: Simplify right side
    235,157.82x = 43,200,564,683.11
  5. Step 5: Solve for x
    x = 43,200,564,683.11/235,157.82
  6. Step 6: Final answer
    x = 183,708.82

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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.