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Finding the Fourth Proportional to 123,416.92, 185,000.74 and 48,589.57

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Solution

The fourth proportional to 123,416.92, 185,000.74 and 48,589.57 is: 72,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.92 : 185,000.74 = 48,589.57 : x
  2. Step 2: Convert to fraction form
    123,416.92/185,000.74 = 48,589.57/x
  3. Step 3: Cross multiply
    123,416.92x = 185,000.74 × 48,589.57
  4. Step 4: Simplify right side
    123,416.92x = 8,989,106,406.28
  5. Step 5: Solve for x
    x = 8,989,106,406.28/123,416.92
  6. Step 6: Final answer
    x = 72,835.28

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1.5x scale

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.