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Finding the Fourth Proportional to 67,063.66, 100,595.08 and 17,143.67

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Solution

The fourth proportional to 67,063.66, 100,595.08 and 17,143.67 is: 25,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.66 : 100,595.08 = 17,143.67 : x
  2. Step 2: Convert to fraction form
    67,063.66/100,595.08 = 17,143.67/x
  3. Step 3: Cross multiply
    67,063.66x = 100,595.08 × 17,143.67
  4. Step 4: Simplify right side
    67,063.66x = 1,724,569,128.06
  5. Step 5: Solve for x
    x = 1,724,569,128.06/67,063.66
  6. Step 6: Final answer
    x = 25,715.41

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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.