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Finding the Fourth Proportional to 191,765.80, 264,635.94 and 111,240.04

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Solution

The fourth proportional to 191,765.80, 264,635.94 and 111,240.04 is: 153,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,765.80 : 264,635.94 = 111,240.04 : x
  2. Step 2: Convert to fraction form
    191,765.80/264,635.94 = 111,240.04/x
  3. Step 3: Cross multiply
    191,765.80x = 264,635.94 × 111,240.04
  4. Step 4: Simplify right side
    191,765.80x = 29,438,112,551.04
  5. Step 5: Solve for x
    x = 29,438,112,551.04/191,765.80
  6. Step 6: Final answer
    x = 153,510.75

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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.