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Finding the Fourth Proportional to 234,827.79, 324,062.46 and 127,397.79

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Solution

The fourth proportional to 234,827.79, 324,062.46 and 127,397.79 is: 175,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,827.79 : 324,062.46 = 127,397.79 : x
  2. Step 2: Convert to fraction form
    234,827.79/324,062.46 = 127,397.79/x
  3. Step 3: Cross multiply
    234,827.79x = 324,062.46 × 127,397.79
  4. Step 4: Simplify right side
    234,827.79x = 41,284,841,225.96
  5. Step 5: Solve for x
    x = 41,284,841,225.96/234,827.79
  6. Step 6: Final answer
    x = 175,809.01

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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.