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Finding the Fourth Proportional to 312,683.32, 468,910.02 and 107,459.70

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Solution

The fourth proportional to 312,683.32, 468,910.02 and 107,459.70 is: 161,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,683.32 : 468,910.02 = 107,459.70 : x
  2. Step 2: Convert to fraction form
    312,683.32/468,910.02 = 107,459.70/x
  3. Step 3: Cross multiply
    312,683.32x = 468,910.02 × 107,459.70
  4. Step 4: Simplify right side
    312,683.32x = 50,388,930,076.19
  5. Step 5: Solve for x
    x = 50,388,930,076.19/312,683.32
  6. Step 6: Final answer
    x = 161,150.04

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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.