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Finding the Fourth Proportional to 234,134.40, 351,117.36 and 100,957.44

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Solution

The fourth proportional to 234,134.40, 351,117.36 and 100,957.44 is: 151,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,134.40 : 351,117.36 = 100,957.44 : x
  2. Step 2: Convert to fraction form
    234,134.40/351,117.36 = 100,957.44/x
  3. Step 3: Cross multiply
    234,134.40x = 351,117.36 × 100,957.44
  4. Step 4: Simplify right side
    234,134.40x = 35,447,909,805.16
  5. Step 5: Solve for x
    x = 35,447,909,805.16/234,134.40
  6. Step 6: Final answer
    x = 151,399.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.