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Finding the Fourth Proportional to 191,558.92, 264,349.86 and 110,984.72

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Solution

The fourth proportional to 191,558.92, 264,349.86 and 110,984.72 is: 153,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,558.92 : 264,349.86 = 110,984.72 : x
  2. Step 2: Convert to fraction form
    191,558.92/264,349.86 = 110,984.72/x
  3. Step 3: Cross multiply
    191,558.92x = 264,349.86 × 110,984.72
  4. Step 4: Simplify right side
    191,558.92x = 29,338,795,194.14
  5. Step 5: Solve for x
    x = 29,338,795,194.14/191,558.92
  6. Step 6: Final answer
    x = 153,158.07

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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.