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Finding the Fourth Proportional to 173,407.84, 260,085.20 and 55,063.84

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Solution

The fourth proportional to 173,407.84, 260,085.20 and 55,063.84 is: 82,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.84 : 260,085.20 = 55,063.84 : x
  2. Step 2: Convert to fraction form
    173,407.84/260,085.20 = 55,063.84/x
  3. Step 3: Cross multiply
    173,407.84x = 260,085.20 × 55,063.84
  4. Step 4: Simplify right side
    173,407.84x = 14,321,289,839.17
  5. Step 5: Solve for x
    x = 14,321,289,839.17/173,407.84
  6. Step 6: Final answer
    x = 82,587.33

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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.