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Finding the Fourth Proportional to 191,601.99, 264,410.81 and 111,076.19

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Solution

The fourth proportional to 191,601.99, 264,410.81 and 111,076.19 is: 153,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,601.99 : 264,410.81 = 111,076.19 : x
  2. Step 2: Convert to fraction form
    191,601.99/264,410.81 = 111,076.19/x
  3. Step 3: Cross multiply
    191,601.99x = 264,410.81 × 111,076.19
  4. Step 4: Simplify right side
    191,601.99x = 29,369,743,492.18
  5. Step 5: Solve for x
    x = 29,369,743,492.18/191,601.99
  6. Step 6: Final answer
    x = 153,285.17

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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.