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Finding the Fourth Proportional to 191,879.42, 264,794.22 and 107,001.95

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Solution

The fourth proportional to 191,879.42, 264,794.22 and 107,001.95 is: 147,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,879.42 : 264,794.22 = 107,001.95 : x
  2. Step 2: Convert to fraction form
    191,879.42/264,794.22 = 107,001.95/x
  3. Step 3: Cross multiply
    191,879.42x = 264,794.22 × 107,001.95
  4. Step 4: Simplify right side
    191,879.42x = 28,333,496,564.76
  5. Step 5: Solve for x
    x = 28,333,496,564.76/191,879.42
  6. Step 6: Final answer
    x = 147,663.03

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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.