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Finding the Fourth Proportional to 173,405.84, 260,082.20 and 55,061.84

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Solution

The fourth proportional to 173,405.84, 260,082.20 and 55,061.84 is: 82,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.84 : 260,082.20 = 55,061.84 : x
  2. Step 2: Convert to fraction form
    173,405.84/260,082.20 = 55,061.84/x
  3. Step 3: Cross multiply
    173,405.84x = 260,082.20 × 55,061.84
  4. Step 4: Simplify right side
    173,405.84x = 14,320,604,483.25
  5. Step 5: Solve for x
    x = 14,320,604,483.25/173,405.84
  6. Step 6: Final answer
    x = 82,584.33

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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.