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Finding the Fourth Proportional to 191,446.08, 264,204.36 and 106,568.64

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Solution

The fourth proportional to 191,446.08, 264,204.36 and 106,568.64 is: 147,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,446.08 : 264,204.36 = 106,568.64 : x
  2. Step 2: Convert to fraction form
    191,446.08/264,204.36 = 106,568.64/x
  3. Step 3: Cross multiply
    191,446.08x = 264,204.36 × 106,568.64
  4. Step 4: Simplify right side
    191,446.08x = 28,155,899,327.27
  5. Step 5: Solve for x
    x = 28,155,899,327.27/191,446.08
  6. Step 6: Final answer
    x = 147,069.60

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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.