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Finding the Fourth Proportional to 234,352.65, 351,036.90 and 194,986.65

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Solution

The fourth proportional to 234,352.65, 351,036.90 and 194,986.65 is: 292,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,352.65 : 351,036.90 = 194,986.65 : x
  2. Step 2: Convert to fraction form
    234,352.65/351,036.90 = 194,986.65/x
  3. Step 3: Cross multiply
    234,352.65x = 351,036.90 × 194,986.65
  4. Step 4: Simplify right side
    234,352.65x = 68,447,509,157.39
  5. Step 5: Solve for x
    x = 68,447,509,157.39/234,352.65
  6. Step 6: Final answer
    x = 292,070.56

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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.