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Finding the Fourth Proportional to 111,917.60, 167,876.40 and 97,337.60

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Solution

The fourth proportional to 111,917.60, 167,876.40 and 97,337.60 is: 146,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.60 : 167,876.40 = 97,337.60 : x
  2. Step 2: Convert to fraction form
    111,917.60/167,876.40 = 97,337.60/x
  3. Step 3: Cross multiply
    111,917.60x = 167,876.40 × 97,337.60
  4. Step 4: Simplify right side
    111,917.60x = 16,340,685,872.64
  5. Step 5: Solve for x
    x = 16,340,685,872.64/111,917.60
  6. Step 6: Final answer
    x = 146,006.40

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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.