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Finding the Fourth Proportional to 234,889.80, 324,146.28 and 127,457.10

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Solution

The fourth proportional to 234,889.80, 324,146.28 and 127,457.10 is: 175,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,889.80 : 324,146.28 = 127,457.10 : x
  2. Step 2: Convert to fraction form
    234,889.80/324,146.28 = 127,457.10/x
  3. Step 3: Cross multiply
    234,889.80x = 324,146.28 × 127,457.10
  4. Step 4: Simplify right side
    234,889.80x = 41,314,744,824.59
  5. Step 5: Solve for x
    x = 41,314,744,824.59/234,889.80
  6. Step 6: Final answer
    x = 175,889.91

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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.