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Finding the Fourth Proportional to 115,366.80, 173,082.60 and 48,838.80

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Solution

The fourth proportional to 115,366.80, 173,082.60 and 48,838.80 is: 73,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,366.80 : 173,082.60 = 48,838.80 : x
  2. Step 2: Convert to fraction form
    115,366.80/173,082.60 = 48,838.80/x
  3. Step 3: Cross multiply
    115,366.80x = 173,082.60 × 48,838.80
  4. Step 4: Simplify right side
    115,366.80x = 8,453,146,484.88
  5. Step 5: Solve for x
    x = 8,453,146,484.88/115,366.80
  6. Step 6: Final answer
    x = 73,271.92

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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.