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Finding the Fourth Proportional to 116,614.17, 174,914.28 and 68,609.70

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Solution

The fourth proportional to 116,614.17, 174,914.28 and 68,609.70 is: 102,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,614.17 : 174,914.28 = 68,609.70 : x
  2. Step 2: Convert to fraction form
    116,614.17/174,914.28 = 68,609.70/x
  3. Step 3: Cross multiply
    116,614.17x = 174,914.28 × 68,609.70
  4. Step 4: Simplify right side
    116,614.17x = 12,000,816,276.52
  5. Step 5: Solve for x
    x = 12,000,816,276.52/116,614.17
  6. Step 6: Final answer
    x = 102,910.45

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1.5x scale

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.