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Finding the Fourth Proportional to 123,423.42, 185,010.49 and 48,596.08

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Solution

The fourth proportional to 123,423.42, 185,010.49 and 48,596.08 is: 72,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,423.42 : 185,010.49 = 48,596.08 : x
  2. Step 2: Convert to fraction form
    123,423.42/185,010.49 = 48,596.08/x
  3. Step 3: Cross multiply
    123,423.42x = 185,010.49 × 48,596.08
  4. Step 4: Simplify right side
    123,423.42x = 8,990,784,572.88
  5. Step 5: Solve for x
    x = 8,990,784,572.88/123,423.42
  6. Step 6: Final answer
    x = 72,845.04

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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.