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Finding the Fourth Proportional to 191,399.96, 264,120.69 and 110,821.76

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Solution

The fourth proportional to 191,399.96, 264,120.69 and 110,821.76 is: 152,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,399.96 : 264,120.69 = 110,821.76 : x
  2. Step 2: Convert to fraction form
    191,399.96/264,120.69 = 110,821.76/x
  3. Step 3: Cross multiply
    191,399.96x = 264,120.69 × 110,821.76
  4. Step 4: Simplify right side
    191,399.96x = 29,270,319,718.21
  5. Step 5: Solve for x
    x = 29,270,319,718.21/191,399.96
  6. Step 6: Final answer
    x = 152,927.51

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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.