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Finding the Fourth Proportional to 272,684.70, 409,045.73 and 92,696.88

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Solution

The fourth proportional to 272,684.70, 409,045.73 and 92,696.88 is: 139,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,684.70 : 409,045.73 = 92,696.88 : x
  2. Step 2: Convert to fraction form
    272,684.70/409,045.73 = 92,696.88/x
  3. Step 3: Cross multiply
    272,684.70x = 409,045.73 × 92,696.88
  4. Step 4: Simplify right side
    272,684.70x = 37,917,262,484.84
  5. Step 5: Solve for x
    x = 37,917,262,484.84/272,684.70
  6. Step 6: Final answer
    x = 139,051.67

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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.