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Finding the Fourth Proportional to 357,760.35, 536,658.90 and 91,523.16

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Solution

The fourth proportional to 357,760.35, 536,658.90 and 91,523.16 is: 137,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,760.35 : 536,658.90 = 91,523.16 : x
  2. Step 2: Convert to fraction form
    357,760.35/536,658.90 = 91,523.16/x
  3. Step 3: Cross multiply
    357,760.35x = 536,658.90 × 91,523.16
  4. Step 4: Simplify right side
    357,760.35x = 49,116,718,370.12
  5. Step 5: Solve for x
    x = 49,116,718,370.12/357,760.35
  6. Step 6: Final answer
    x = 137,289.44

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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.