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Finding the Fourth Proportional to 235,173.94, 324,540.66 and 127,743.10

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Solution

The fourth proportional to 235,173.94, 324,540.66 and 127,743.10 is: 176,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,173.94 : 324,540.66 = 127,743.10 : x
  2. Step 2: Convert to fraction form
    235,173.94/324,540.66 = 127,743.10/x
  3. Step 3: Cross multiply
    235,173.94x = 324,540.66 × 127,743.10
  4. Step 4: Simplify right side
    235,173.94x = 41,457,830,316.76
  5. Step 5: Solve for x
    x = 41,457,830,316.76/235,173.94
  6. Step 6: Final answer
    x = 176,285.82

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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.