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Finding the Fourth Proportional to 235,228.61, 324,543.96 and 133,237.86

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Solution

The fourth proportional to 235,228.61, 324,543.96 and 133,237.86 is: 183,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,228.61 : 324,543.96 = 133,237.86 : x
  2. Step 2: Convert to fraction form
    235,228.61/324,543.96 = 133,237.86/x
  3. Step 3: Cross multiply
    235,228.61x = 324,543.96 × 133,237.86
  4. Step 4: Simplify right side
    235,228.61x = 43,241,542,706.33
  5. Step 5: Solve for x
    x = 43,241,542,706.33/235,228.61
  6. Step 6: Final answer
    x = 183,827.74

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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.