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Finding the Fourth Proportional to 191,579.55, 264,379.62 and 111,053.71

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Solution

The fourth proportional to 191,579.55, 264,379.62 and 111,053.71 is: 153,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,579.55 : 264,379.62 = 111,053.71 : x
  2. Step 2: Convert to fraction form
    191,579.55/264,379.62 = 111,053.71/x
  3. Step 3: Cross multiply
    191,579.55x = 264,379.62 × 111,053.71
  4. Step 4: Simplify right side
    191,579.55x = 29,360,337,649.39
  5. Step 5: Solve for x
    x = 29,360,337,649.39/191,579.55
  6. Step 6: Final answer
    x = 153,254.03

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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.