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Finding the Fourth Proportional to 106,496.67, 147,013.68 and 67,750.43

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Solution

The fourth proportional to 106,496.67, 147,013.68 and 67,750.43 is: 93,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,496.67 : 147,013.68 = 67,750.43 : x
  2. Step 2: Convert to fraction form
    106,496.67/147,013.68 = 67,750.43/x
  3. Step 3: Cross multiply
    106,496.67x = 147,013.68 × 67,750.43
  4. Step 4: Simplify right side
    106,496.67x = 9,960,239,554.88
  5. Step 5: Solve for x
    x = 9,960,239,554.88/106,496.67
  6. Step 6: Final answer
    x = 93,526.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.