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Finding the Fourth Proportional to 235,876.65, 325,506.57 and 133,901.22

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Solution

The fourth proportional to 235,876.65, 325,506.57 and 133,901.22 is: 184,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,876.65 : 325,506.57 = 133,901.22 : x
  2. Step 2: Convert to fraction form
    235,876.65/325,506.57 = 133,901.22/x
  3. Step 3: Cross multiply
    235,876.65x = 325,506.57 × 133,901.22
  4. Step 4: Simplify right side
    235,876.65x = 43,585,726,841.02
  5. Step 5: Solve for x
    x = 43,585,726,841.02/235,876.65
  6. Step 6: Final answer
    x = 184,781.86

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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.