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Finding the Fourth Proportional to 234,130.65, 323,100.29 and 126,700.68

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Solution

The fourth proportional to 234,130.65, 323,100.29 and 126,700.68 is: 174,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.65 : 323,100.29 = 126,700.68 : x
  2. Step 2: Convert to fraction form
    234,130.65/323,100.29 = 126,700.68/x
  3. Step 3: Cross multiply
    234,130.65x = 323,100.29 × 126,700.68
  4. Step 4: Simplify right side
    234,130.65x = 40,937,025,817.69
  5. Step 5: Solve for x
    x = 40,937,025,817.69/234,130.65
  6. Step 6: Final answer
    x = 174,846.93

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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.