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Finding the Fourth Proportional to 342,527.04, 513,839.04 and 105,890.40

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Solution

The fourth proportional to 342,527.04, 513,839.04 and 105,890.40 is: 158,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,527.04 : 513,839.04 = 105,890.40 : x
  2. Step 2: Convert to fraction form
    342,527.04/513,839.04 = 105,890.40/x
  3. Step 3: Cross multiply
    342,527.04x = 513,839.04 × 105,890.40
  4. Step 4: Simplify right side
    342,527.04x = 54,410,621,481.22
  5. Step 5: Solve for x
    x = 54,410,621,481.22/342,527.04
  6. Step 6: Final answer
    x = 158,850.59

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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.