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Finding the Fourth Proportional to 357,834.45, 536,751.33 and 91,594.55

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Solution

The fourth proportional to 357,834.45, 536,751.33 and 91,594.55 is: 137,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,834.45 : 536,751.33 = 91,594.55 : x
  2. Step 2: Convert to fraction form
    357,834.45/536,751.33 = 91,594.55/x
  3. Step 3: Cross multiply
    357,834.45x = 536,751.33 × 91,594.55
  4. Step 4: Simplify right side
    357,834.45x = 49,163,493,849.49
  5. Step 5: Solve for x
    x = 49,163,493,849.49/357,834.45
  6. Step 6: Final answer
    x = 137,391.73

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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.