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Finding the Fourth Proportional to 235,825.77, 325,423.15 and 133,853.31

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Solution

The fourth proportional to 235,825.77, 325,423.15 and 133,853.31 is: 184,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,825.77 : 325,423.15 = 133,853.31 : x
  2. Step 2: Convert to fraction form
    235,825.77/325,423.15 = 133,853.31/x
  3. Step 3: Cross multiply
    235,825.77x = 325,423.15 × 133,853.31
  4. Step 4: Simplify right side
    235,825.77x = 43,558,966,304.64
  5. Step 5: Solve for x
    x = 43,558,966,304.64/235,825.77
  6. Step 6: Final answer
    x = 184,708.25

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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.