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Finding the Fourth Proportional to 186,060.96, 279,091.64 and 67,733.28

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Solution

The fourth proportional to 186,060.96, 279,091.64 and 67,733.28 is: 101,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,060.96 : 279,091.64 = 67,733.28 : x
  2. Step 2: Convert to fraction form
    186,060.96/279,091.64 = 67,733.28/x
  3. Step 3: Cross multiply
    186,060.96x = 279,091.64 × 67,733.28
  4. Step 4: Simplify right side
    186,060.96x = 18,903,792,197.78
  5. Step 5: Solve for x
    x = 18,903,792,197.78/186,060.96
  6. Step 6: Final answer
    x = 101,599.99

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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.