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Finding the Fourth Proportional to 234,751.23, 351,525.83 and 129,453.39

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Solution

The fourth proportional to 234,751.23, 351,525.83 and 129,453.39 is: 193,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,751.23 : 351,525.83 = 129,453.39 : x
  2. Step 2: Convert to fraction form
    234,751.23/351,525.83 = 129,453.39/x
  3. Step 3: Cross multiply
    234,751.23x = 351,525.83 × 129,453.39
  4. Step 4: Simplify right side
    234,751.23x = 45,506,209,718.80
  5. Step 5: Solve for x
    x = 45,506,209,718.80/234,751.23
  6. Step 6: Final answer
    x = 193,848.65

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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.